The royal family fills out the same government forms as any other member of the British commonwealth, only their answers are one of a kind, judging by the recent release of Princess Charlotte’s birth records.
It’s not easy to mash a royal title into a standard form, so Prince William took two lines to fill out his name as, “His Royal Highness Prince William Arthur Philip Louis Duke of Cambridge.” Ditto for “Catherine Elizabeth Her Royal Highness The Duchess of Cambridge.”
Under address, Kensington Palace, naturally, but the best answers were reserved for occupation. “Prince” and “Princess of the United Kingdom.” Nice work if you can get it.
See Kate Middleton’s Stunning Fashion Evolution
Catherine, Duchess of Cambridge, lays flowers at a grave in Tyne Cot Commonwealth War Graves Cemetery in Ypres, Belgium, at a commemoration ceremony to mark the centenary of Passchendaele, on July 31, 2017.
Yui Mok—PA Images/Getty Images
Catherine, Duchess of Cambridge attends the Last Post ceremony at the Commonwealth War Graves Commission Ypres Memorial in Ypres, Belgium, on July 30, 2017.
Mark Cuthbert—UK Press/Getty Images
Catherine, Duchess of Cambridge and Princess Charlotte of Cambridge depart from Hamburg airport on the last day of their official visit to Poland and Germany on July 21, 2017.
Samir Hussein—WireImage/Getty Images
Catherine, Duchess of Cambridge attends a reception at Claerchen's Ballhaus dance hall during an official visit to Poland and Germany on July 20, 2017.
Samir Hussein—WireImage/Getty Images
Catherine, Duchess of Cambridge after participating in a rowing race between the twinned town of Cambridge and Heidelberg during an official visit to Poland and Germany on July 20, 2017.
Samir Hussein—WireImage/Getty Images
Catherine, Duchess of Cambridge, Prince George of Cambridge and Princess Charlotte of Cambridge arrive at Berlin military airport during an official visit to Poland and Germany on July 19, 2017.
Samir Hussein—WireImage/Getty Images
Catherine, Duchess of Cambridge attends The Queen's Birthday Party at the British Ambassadorial Residence during an official visit to Poland and Germany on July 19, 2017.
Samir Hussein—WireImage/Getty Images
Catherine, Duchess of Cambridge visits Stutthof, the former Nazi Germany Concentration Camp during day 2 of their Royal Tour of Poland and Germany on July 18, 2017.
Samir Hussein—WireImage/Getty Images
Catherine, Duchess of Cambridge, walks with Poland's First Lady Agata Duda at the Presidential Palace in Warsaw, on July 17, 2017, the first day of her five-day tour of Poland and Germany.
Chris Jackson—PA Wire/Getty Images
HEIDELBERG, GERMANY - JULY 20: (NO UK SALES FOR 28 DAYS FROM CREATE DATE) Catherine, Duchess of Cambridge tours a traditional German market in the Central Square during an official visit to Poland and Germany on July 20, 2017 in Heidelberg, Germany. (Photo by Pool/Samir Hussein/WireImage)
Pool/Samir Hussein—WireImage
Catherine, Duchess of Cambridge, applauds from the centre court royal box after the Gentlemen's Singles final between Roger Federer of Switzerland and Marin Cilic of Croatia on day thirteen of the Wimbledon Lawn Tennis Championships at the All England Lawn Tennis and Croquet Club at Wimbledon on July 16, 2017 in London.
Daniel Leal-Olivas—Getty Images
Catherine, Duchess of Cambridge, attends the reopening of Hintze Hall at the Natural History Museum in London on July 13, 2017.
Yui Mok—AFP/Getty Images
Catherine, Duchess of Cambridge, attends a State Banquet at Buckingham Palace on day 1 of the Spanish State Visit on July 12, 2017 in London.
Max Mumby—Indigo/Getty Images
Catherine, Duchess of Cambridge, on the first day of the Wimbledon Championships at The All England Lawn Tennis and Croquet Club in London on July 3, 2017.
Gareth Fuller—WPA Pool/Getty Images
Catherine, Duchess of Cambridge, receives a V&A gift bag during her visit to the new V&A Exhibition Road Quarter at the Victoria & Albert Museum in London on June 29, 2017.
Max Mumby—Indigo/Getty Images
Catherine, Duchess of Cambridge, attends Day 1 of the Royal Ascot in Ascot, England, on June 20, 2017.
Max Mumby—Indigo/Getty Images
Catherine, Duchess of Cambridge, stands on the balcony of Buckingham Palace at the annual Trooping the Colour parade in London on June 17, 2017.
Samir Hussein—WireImage/Getty Images
Catherine, Duchess of Cambridge, visits the 1851 Trust roadshow at Docklands Sailing and Watersports Center in London on June 16, 2017. The Duchess of Cambridge is patron of the 1851 Trust.
Karwai Tang—WireImage/Getty Images
Princess Charlotte of Cambridge, bridesmaid and Catherine, Duchess of Cambridge attend the wedding Of Pippa Middleton and James Matthews at St Mark's Church on May 20, 2017 in Englefield Green, England.
Samir Hussein—Getty Images
Catherine, Duchess of Cambridge, visits the Invalides during a two-day trip to Paris on March 18, 2017.
Samir Hussein—WireImage/Getty Images
Catherine, Duchess of Cambridge, attends a dinner hosted by Her Majesty's Ambassador to France, Edward Llewellyn, at the British Embassy in Paris during a two-day visit on March 17, 2017.
Dominic Lipinski—Pool/Getty Images
Catherine, Duchess of Cambridge, attends the annual Irish Guards St Patrick's Day Parade at Household Cavalry Barracks in London on March 17, 2017.
UK Press Pool/Getty Images
Catherine, Duchess of Cambridge, attends a reception to mark the launch of the U.K.-India Year of Culture 2017 in London on Feb. 27, 2017.
Yui Mok—WPA Pool/Getty Images
Catherine, Duchess of Cambridge attends the 70th EE British Academy Film Awards (BAFTA) at the Royal Albert Hall in London, England on Feb. 12, 2017.
Karwai Tang—WireImage/Getty Images
Catherine, Duchess of Cambridge attends the Place2Be Big Assembly With Heads Together for Children's Mental Health Week at Mitchell Brook Primary School in London, England, on Feb. 6, 2017.
Karwai Tang—WireImage/Getty Images
Catherine, Duchess of Cambridge departs after visiting the East Anglia's Children's Hospices in Quidenham, Norfolk, on Jan. 24, 2017.
Karwai Tang—WireImage/Getty Images
Catherine, Duchess of Cambridge attends a briefing to outline the next phase of Heads Together ahead of the 2017 Virgin Money London Marathon at the ICA in London, England, on Jan. 17, 2017.
Max Mumby—Indigo/Getty Images
Catherine, Duchess of Cambridge leaves after a visit to the CBUK Stratford in London, England on Jan. 11, 2017.
Mark Cuthbert—UK Press/Getty Images
Catherine, Duchess of Cambridge and Princess Charlotte of Cambridge attend Church in Bucklebury, Berkshire, on Christmas Day on Dec. 25, 2016.
Samir Hussein—WireImage/Getty Images
Catherine, Duchess of Cambridge attends a Christmas party for volunteers at The Mix youth service in London, on Dec. 19, 2016.
Mark Cuthbert—UK Press/Getty Images
Catherine, Duchess of Cambridge during an official visit to a Cub Scout Pack Meeting to celebrate 100 years of Cubs in King's Lynn, England, on Dec. 14, 2016.
Mark Cuthbert—UK Press/Getty Images
The Duke and Duchess of Cambridge arrive for the annual evening reception for members of the Diplomatic Corps at Buckingham Palace, London, on Dec. 8, 2016.
Dominic Lipinski—PA Wire/AP
Catherine, Duchess of Cambridge attends Place2Be Wellbeing in Schools Awards at Mansion House in London on Nov. 22, 2016.
Eamonn M. McCormack—Getty Images
Catherine, Duchess of Cambridge attends a children's tea party with pupils from Oakington Manor Primary School in Wembley, at the Natural History Museum to celebrate Dippy the Diplodocus's time in Hintze Hall in London, on Nov. 22, 2016.
Yui Mok—WPA Pool/Getty Images
Catherine, Duchess of Cambridge attends the nations remembrance service at the Cenotaph memorial in central London, on Nov. 13, 2016.
Michael Dunlea—Express Newspapers/AP
Catherine, Duchess of Cambridge visits the Nelson Trust Women's Centre in Gloucester, England, on Nov. 4, 2016.
Luca Teuchmann—WireImage/Getty Images
Catherine, Duchess of Cambridge attends the UK Premiere of "A Street Cat Named Bob" in aid of Action On Addiction in London, United Kingdom, on Nov. 3, 2016
Jeff Spicer—Getty Images
Prince William, Duke of Cambridge and Catherine, Duchess of Cambridge meet athletes at a reception for Team GB's 2016 Olympic and Paralympic teams hosted by Queen Elizabeth II at Buckingham Palace in London, England, on Oct. 18, 2016.
Yui Mok—WPA /Getty Images
Catherine, Duchess of Cambridge visits the National Football Museum in Manchester, England, on Oct. 14, 2016.
Max Mumby—Indigo/Getty Images
Catherine, Duchess of Cambridge, arrives at the Mauritshuis to view the exhibition 'At Home in Holland: Vermeer and his Contemporaries from the British Royal Collection' in The Hague, Netherlands, on Oct. 11, 2016.
Karwai Tang—WireImage/Getty Images
Catherine, Duchess of Cambridge, celebrates World Mental Health Day with Heads Together at the London Eye on Oct. 10, 2016.
Danny Martindale—GC Images/Getty Images
Prince William, Duke of Cambridge, Prince George of Cambridge, Catherine, Duchess of Cambridge and Princess Charlotte wave as they leave from Victoria Harbour to board a sea-plane on the final day of their Royal Tour of Canada on Oct. 1, 2016.
Stephen Lock—Pool/Getty Images
Catherine, Duchess of Cambridge, visits the Cridge Centre for the Family in Victoria, Canada, on Oct. 1, 2016.
Sam Hussein—Pool/WireImage/Getty Images
Catherine, Duchess of Cambridge, arrives to embark the tall ship Pacific Grace in Victoria Harbour on the final day of their Royal Tour of Canada on Oct. 1, 2016.
Andrew Chin—Getty Images
Catherine, Duchess of Cambridge, arrives for a fishing boat trip in Haida Gwaii, Canada, on Sept. 30, 2016.
Samir Hussein—WireImage/Getty Images
Catherine, Duchess of Cambridge, arrives to officially open the new Haida Gwaii Hospital in Canada on Sept. 30, 2016.
Dominic Lipinski—Pool / Getty Images
Catherine, Duchess of Cambridge, and Princess Charlotte of Cambridge at a children's party for Military families in Carcross, Canada, on Sept. 29, 2016.
Chris Jackson—Getty Images
Catherine, Duchess of Cambridge, tours the Main Street Party in Whitehorse, Canada, on Sept. 28, 2016.
Samir Hussein—WireImage/Getty Images
Catherine, Duchess of Cambridge, visits Carcross during the Royal Tour of Canada on Sept. 28, 2016.
Danny Martindale—FilmMagic/Getty Images
Catherine, Duchess of Cambridge, visits the University of British Columbia in Kelowna, Canada, on Sept. 27, 2016.
Karwai Tang—WireImage/Getty Images
Catherine, Duchess of Cambridge, arrives at Whitehorse Airport in Canada on Sept. 27, 2016.
Samir Hussein—WireImage/Getty Images
Catherine, Duchess of Cambridge, attends a reception at Government House in Victoria, Canada, on Sept. 27, 2016.
Chris Jackson—Getty Images
Catherine, Duchess of Cambridge, attends an official welcome and performance from Bella Bella First Nations Community at Wawiska Community Hall in Bella Bella, Canada, on Sept. 26, 2016.
Sam Hussein—Pool/WireImage/Getty Images
Catherine, Duchess of Cambridge, visits the Canadian Coast Guard and Vancouver First Responders event at Kitsilano Coast Guard Station in Vancouver, Canada, on Sept. 25, 2016
Samir Hussein—WireImage/Getty Images
Prince William, Duke of Cambridge, and Catherine, Duchess of Cambridge, attend an official welcome ceremony at the Legislative Assembly of British Columbia at Victoria International Airport in Victoria, Canada, on Sept. 24, 2016.
Dominic Lipinski-Pool—Getty Images
Catherine, Duchess of Cambridge, leaves Stewards Academy in Harlow, England, on Sept. 16, 2016.
Max Mumby—Indigo/Getty Images
Catherine, Duchess of Cambridge at Tresco Abbey Gardens during a visit to Cornwall in Tresco, England, on Sept. 2, 2016.
Alex B. Huckle—GC Images/Getty Images
Catherine, Duchess of Cambridge visits Truro Cathedral in Truro, England, on Sept. 1, 2016.
Max Mumby—Indigo/Getty Images
Catherine, Duchess of Cambridge and Prince William, Duke of Cambridge visit a mental health charity helpline operated by YoungMinds in London on Aug. 25, 2016.
Arthur Edwards—AFP/Getty Images
Catherine, Duchess of Cambridge visits the national youth charity Youthscape at Bute Mills in Luton, England, on Aug. 24, 2016.
Karwai Tang—WireImage
Catherine, Duchess of Cambridge visits Land Rover BAR during the America's Cup World Series in Portsmouth, England, on July 24, 2016.
Max Mumby—Indigo/Getty Images
Catherine, Duchess of Cambridge attends the Men's Final of the Wimbledon Tennis Championships between Milos Raonic and Andy Murray at Wimbledon in London on July 10, 2016.
Karwai Tang—WireImage
Catherine, Duchess of Cambridge and Prince George of Cambridge visit the Royal International Air Tattoo at RAF Fairford, England, on July 8, 2016.
Max Mumby—Indigo/Getty Images
Catherine, Duchess of Cambridge attends day ten of the Wimbledon Tennis Championships at Wimbledon in London on June 27, 2016.
Karwai Tang—WireImage
Catherine, Duchess of Cambridge arrives to present the Art Fund Museum of the Year 2016 prize at a dinner hosted at the Natural History Museum in London on July 6, 2016.
Matt Dunham—WPA Pool/Getty Images
Catherine, Duchess of Cambridge, attends The Commemoration of the Centenary of The Battle of the Somme at The Commonwealth War Graves Commision Thiepval Memorial in Albert, France, on July 01, 2016.
UK Press/Getty Images
Catherine, Duchess of Cambridge, attends a Vigil at The Commonwealth War Graves Commission Thiepval Memorial for the Commemoration of the Centenary of The Battle of the Somme in Albert, France, on June 30, 2016.
Mark Cuthbert—UK Press/Getty Images
Catherine, Duchess of Cambridge, attends a gala dinner in support of East Anglia's Children's Hospices' nook appeal at Houghton Hall in King's Lynn, England, on June 22, 2016.
Stephen Pond—Getty Images
Catherine, Duchess of Cambridge, attends the second day of Royal Ascot at Ascot Racecourse in England on June 15, 2016.
Chris Jackson—Getty Images
Catherine, Duchess of Cambridge, attends the Secretary of State's annual Garden party at Hillsborough Castle in Belfast, Northern Ireland, on June 14, 2016.
Samir Hussein—WireImage/Getty Images
Catherine, Duchess of Cambridge, chats with guests after the Order of the Garter Service at Windsor Castle in England on June 13, 2016.
Chris Jackson—Getty Images
Catherine, Duchess of Cambridge greets guests attending "The Patron's Lunch" celebrations for The Queen's 90th birthday on The Mall in London on June 12, 2016.
Arthur Edwards—WPA Pool/Getty Images
Catherine, Duchess of Cambridge with Princess Charlotte of Cambridge and Prince George of Cambridge during the Trooping the Colour, this year marking the Queen's 90th birthday at The Mall in London on June 11, 2016.
Mark Cuthbert—UK Press/Getty Images
Catherine, Duchess of Cambridge attends SportsAid's 40th anniversary dinner in London on June 9, 2016.
Eddie Mulholland—WPA Pool/Getty Images
Britain's Catherine, Duchess of Cambridge, smiles as she greets guests attending a garden party at Buckingham Palace in London on May 24, 2016.
John Stillwell—AFP/Getty Images
Britain's Prince William and Catherine, Duchess of Cambridge, leave after a service of thanksgiving for Queen Elizabeth's 90th birthday at St. Paul's Cathedral in London, June 10, 2016.
Peter Nicholls—Reuters
Catherine, Duchess of Cambridge, attends Chelsea Flower Show press day at Royal Hospital Chelsea in London on May 23, 2016.
Mark Cuthbert—UK Press/Getty Images
Catherine, Duchess of Cambridge, patron of the 1851 Trust, arrives at Land Rover BAR in Portsmouth, England, on May 20, 2016.
Chris Jackson—Getty Images
Catherine, Duchess of Cambridge attends the launch of the Heads Together campaign to eliminate stigma on mental health at the Queen Elizabeth Olympic Park in London on May 16, 2016.
Max Mumby—Indigo/Getty Images
Catherine, Duchess of Cambridge departs after undertaking her first engagement as Patron of the Anna Freud Centre by attending a lunch reception supporting the development of a new centre of excellence for children's mental health at Spencer House in London on May 4, 2016.
Kirsty Wigglesworth—WPA Pool/Getty Images
Catherine, Duchess of Cambridge visits the "Vogue 100: A Century Of Style" exhibition at National Portrait Gallery in London on May 4, 2016.
Mark Cuthbert—UK Press/Getty Images
Catherine, Duchess of Cambridge arrives to open the Magic Garden at Hampton Court Palace in London on May 4, 2016.
Max Mumby—Indigo/Getty Images
Catherine, Duchess of Cambridge walks in front of the Taj Mahal in Agra, India on April 16, 2016.
Chris Jackson—Getty Images
Catherine, Duchess of Cambridge attends a reception for British nationals in Bhutan and Bhutanese people with strong links to the UK on April 15, 2016.
Samir Hussein—WireImage/Getty Images
Catherine, Duchess of Cambridge trekking up to Tiger's Nest during a visit to Thimphu, Bhutan on April 15, 2016.
Mark Large —Pool/Getty Images
Prince William and Catherine, Duchess of Cambridge, arrive at Paro International Airport. Paro airport in Thimphu, Bhutan on April 14, 2016.
Robin Nunn—Nunn Syndication/Polaris
Catherine, Duchess of Cambridge visits Thimphu's open-air archery venue in Thimphu, Bhutan on April 14, 2016.
Samir Hussein—WireImage/Getty Images
Catherine, Duchess of Cambridge leaves the Taj Tashi hotel, in Thimphu, Bhutan, to attend a dinner with King Jigme Khesar Namgyel Wangchuck and Queen Jetsun Pema on April 14, 2016.
Dominic Lipinski—PA Wire/AP
Catherine, Duchess of Cambridge looks on ahead of a lunch event with India's Prime Minister Narendra Modi at Hyderabad House in New Delhi on April 12, 2016.
Money Sharma—AFP/Getty Images
Catherine, Duchess of Cambridge attends a Garden party celebrating the Queen's 90th birthday in New Delhi, India on April 11, 2016.
Mark Cuthbert—UK Press/Getty Images
The Duchess of Cambridge during a visit to India Gate in New Dehli, India on April 11, 2016.
Chris Jackson—PA Wire/AP
Catherine, Duchess of Cambridge and Prince William, Duke of Cambridge arrive for a Bollywood Inspired Charity Gala at the Taj Mahal Palace Hotel in Mumbai, India on April 10, 2016.
Chris Jackson—Getty Images
Catherine, Duchess of Cambridge plays cricket during a visit to meet children from Magic Bus, Childline and Doorstep, three non-governmental organizations, at Mumbai's iconic recreation ground, the Oval Maidan, in Mumbai, India on April 10, 2016.
Chris Jackson—Getty Images
Catherine, Duchess of Cambridge attends a wreath-laying at Taj Hotel, scene of Mumbai terror attacks, in Mumbai, India on April 10, 2016.
Samir Hussein—Pool/WireImage/Getty Images
Catherine Duchess of Cambridge at the
Commonwealth Day Service in Westminster Abbey, London on March 14, 2016.
REX/Shutterstock
Catherine Duchess of Cambridge
The Duke and Duchess of Cambridge visits the mentoring program of the XLP project in London on March 11, 2016.
Tim Rooke—REX/Shutterstock
Middleton visits three school-based charity projects in Edinburgh, Scotland on Feb. 24, 2016. One being St Catherine's Primary School, in hopes to see some of Scotland's charity work and to help improve the emotional well-being of pupils, parents, families and school staff.
Robin Nunn—Nunn Syndication/Polaris
Catherine Duchess of Cambridge arrives at
ICAP's 23rd Annual Charity Day in London on Dec. 9, 2015.
REX/Shutterstock
Kate Middleton attends the annual Diplomatic Reception at Buckingham Palace on Dec. 8, 2015 in London.
Julian Parker—UK Press/Getty Images
Kate Middleton attends the 100 Women In Hedge Funds Gala Dinner in London on Oct. 27, 2015.
Mark Cuthbert—Getty Images
Kate Middleton arrives at Islington Town Hall for a children's charity function in London on Oct. 27, 2015.
SAV—Getty Images
Catherine, the Duchess of Cambridge, and Prince William, the Duke of Cambridge, arrive for the World Premiere of "Spectre" at the Royal Albert Hall in London, on Oct. 26, 2015.
Joel Ryan—AP
Catherine, Duchess of Cambridge, takes part in welly wanging with children and representatives from charities and Aardman Animations during a meeting of the Charities Forum at BAFTA in London, on Oct. 26, 2015.
Michael Dunlea—AP
Kate Middleton visits the original Royal Research Ship Discovery in Dundee, Scotland on Oct. 23, 2015.
Mark Cuthbert—Getty Images
Prince William, Duke of Cambridge and Catherine, Duchess of Cambridge welcome the President of the Peoples Republic of China, Mr Xi Jinping and his wife, Madame Peng Liyuan at a GREAT Britain Creative Event at Lancaster House on Oct. 21, 2015 in London.
Chris JacksonGetty Images
The Duchess of Cambridge as Queen Elizabeth II speaks at a state banquet at Buckingham Palace in London on Oct. 20, 2015.
Dominic Lipinski—AP
Royal visit to Harrow College, Oct. 10, 2015.
Arthur Edwards—The Sun/AP Images
Catherine, Duchess of Cambridge arrives for a visit to the Rehabilitation of Addicted Prisoners Trust at HMP Send on Sept. 25, 2015 in Woking, United Kingdom.
Andrew Matthews—WPA Pool/Getty Images
Britain's Kate Duchess of Cambridge during to her visit to the Anna Freud Centre on Sept. 17, 2015 in London.
Chris Jackson—AP
Catherine, Duchess of Cambridge attends day nine of the Wimbledon Tennis Championships at Wimbledon on July 8, 2015 in London.
Karwai Tang—Getty Images
Catherine, Duchess of Cambridge pushes Princess Charlotte of Cambridge in her pram as they leave the Church of St Mary Magdalene in Sandringham, England on July 5, 2015.
Chris Jackson—Getty Images
Catherine, Duchess of Cambridge laughs on the balcony of Buckingham Palace during the Trooping the Colour on June 13, 2015 in London.
Chris Jackson—Getty Images
Catherine, Duchess of Cambridge visits the Stephen Lawrence Centre on March 27, 2015 in London, England.
Samir Hussein—WireImage
The Duchess of Cambridge visits the Brookhill Children's Centre in Woolwich, London, UK, on March 18, 2015.
Splash/Corbis
Prince William, Duke of Cambridge and Catherine, Duchess of Cambridge, wearing a bespoke Catherine Walker coat, attends the Irish Guards' St. Patrick's Day Parade at Mons Barracks in Aldershot, England on March 17, 2015.
Zak Hussein—Corbis
Prince William, Duke of Cambridge and Catherine, Duchess of Cambridge attend a Service of Commemoration to mark the end of combat operations in Afghanistan at St Paul's Cathedral on March 13, 2015 in London.
Max Mumby—Indigo/Getty Images
Catherine, Duchess of Cambridge leaves the Turner Contemporary Art Gallery on March 11, 2015 in Margate, England.
Suzanne Plunkett—Getty Images
Catherine Duchess of Cambridge attends the Commonwealth Service at Westminster Abbey on March 9, 2015 in London.
Samir Hussein—WireImage
Catherine Duchess of Cambridge leaves The Goring Hotel in Victoria, London on March 2, 2015.
Ben Cawthra—Sipa USA
Catherine, Duchess of Cambridge during a visit to the 'Emma Bridgewater' pottery factory on Feb. 18, 2015 in Staffordshire, England.
Oli Scarff—WPA/Getty Images
Catherine, Duchess of Cambridge visits the new home of Ben Ainslie Racing and the 1851 Trust to view an art project by the local community on February 12, 2015 in Portsmouth, England. (Photo by Samir Hussein/WireImage)
Samir Hussein—WireImage/Getty Images
Catherine, Duchess of Cambridge seen arriving at the Barbly Primary School in West London on Jan. 15, 2014.
TGB/Splash News/Corbis
Britain's Catherine, Duchess of Cambridge, receives flowers from well-wishers after attending with other members of the royal family the traditional Christmas Day Church Service at Sandringham in eastern England, on Dec. 25, 2014.
Paul Ellis—AFP/Getty Images
Catherine, Duchess of Cambridge departs from the Buckingham Palace Pre-Christmas Lunch at Buckingham Palace in London on Dec. 17, 2014.
James Whatling—Corbis/Splash
Catherine, Duchess of Cambridge arrives to attend a meeting of the newly established 23rd Poplar Beaver Scout Colony in east London on Dec. 16, 2014.
Ben Stansall—AFP/Getty Images
Catherine, Duchess of Cambridge arrives at the St. Andrews 600th Anniversary Dinner at The Metropolitan Museum of Art in New York on Dec. 9, 2014.
ason DeCrow—Reuters
Catherine, Duchess of Cambridge watches an art performance as they visit The Door/City Kids Foundation on Dec. 9, 2014 in New York City.
Samir Hussein—WireImage/Getty Images
Catherine, Duchess of Cambridge at the Brooklyn Nets vs Cleveland Cavaliers NBA Basketball game on Dec. 8, 2014 in New York City.
Michael Dunlea Barcroft—Landov
Catherine, Duchess of Cambridge at the Northside Center for Child Development in Harlem, New York on Dec. 8, 2014.
Rpe-Albert Nieboer—Corbis
Catherine, Duchess of Cambridge arrives at the Carlyle hotel in New York on Dec. 7, 2014.
Chad Rachman—Reuters
Catherine, Duchess of Cambridge at
EACH Hospices Appeal Launch at The Norwich Showground, Norfolk, Britain on Nov. 25, 2014.
Rex USA
Catherine, Duchess of Cambridge attends the Place2be Wellbeing in Schools Award at Kensington Palace, in London on Nov. 19 2014.
aul Hackett—Splash News/Corbis
Catherine, Duchess of Cambridge and Prince William, Duke of Cambridge arrive at the Royal Variety Performance in London on Nov. 13, 2014.
Zak Hussein—Corbis
Catherine, Duchess of Cambridge meets young Athletes at a SportsAid workshop at the GSK Human Performance Laboratory in London on Nov. 12, 2014.
Splash News/Corbis
Catherine, Duchess of Cambridge attends The Remembrance Sunday Service at The Cenotaph, London on Nov. 9, 2014.
James Whatling—Splash News/Corbis
Catherine, Duchess of Cambridge visit the Valero Pembroke Refinery in Dyfed, Wales, on Nov. 8, 2014.
James Whatling—Splash News/Corbis
Catherine, Duchess of Cambridge attends the Action on Addiction autumn Gala evening at L'Anima in London on Oct 23, 2014.
Zak Hussein—Corbis
Catherine, Duchess of Cambridge, attends the Wildlife Photographer of the Year 2014 Awards Ceremony at the Natural History Museum in London on Oct. 21, 2014.
Arthur Edwards—Reuters
Catherine, Duchess of Cambridge smiles during a ceremonial welcome for the President of Singapore at Horse Guards Parade in London on Oct. 21, 2014.
Toby Melville—Reuters
Catherine, Duchess of Cambridge arrives at the SECC Hydro for the Gymnastics during the 20th Commonwealth Games on July 28, 2014 in Glasgow, Scotland.
Chris Jackson—Getty Images
Catherine, Duchess of Cambridge attends day nine of the Wimbledon Lawn Tennis Championships at the All England Lawn Tennis and Croquet Club at Wimbledon on July 2, 2014 in London.
Jan Kruger—Getty Images
Perfectly Pink Britain's Catherine, the Duchess of Cambridge, leaves the Blessed Sacrament School in London on July 1, 2014.
Lefteris Pitarakis—AP
Jovial in Jacquard Prince Harry and Catherine, Duchess of Cambridge watch the fly-past from the balcony of Buckingham Palace during Trooping the Colour, Queen Elizabeth II's Birthday Parade on June 14, 2014 in London.
Max Mumby—Indigo/Getty Images
Nautical StyleCatherine, Duchess of Cambridge attends the Ben Ainslie Racing America's Cup Launch Event at the National Maritime Museum in Greenwich on June 10, 2014 in London.
Max Mumby—Getty Images
Straitlaced LookBritain's Catherine, Duchess of Cambridge, attends a garden party at Buckingham Palace in London on June 10, 2014.
John Stillwell—AFP/Getty Images
Fixing a HoleBritain's Catherine, Duchess of Cambridge plants a tree during a visit to The Treehouse in Ipswich, England, on March 19, 2012.
David Crump—AFP/Getty Images
Anchors AweighCatherine, Duchess of Cambridge, wearing an Alexander McQueen outfit, visits Bletchley Park, where her grandmother was a codebreaker, on June 18, 2014 in Bletchley, England.
Anwar Hussein—WireImage/Getty Images
Out of the BlueCatherine, Duchess of Cambridge watches as Queen Elizabeth II leads the Knights of the Garter to the Most Noble Order of the Garter Ceremony from the Galilee Porch on June 16, 2014 in Windsor, England.
WPA Pool—Getty Images
Walking and TalkingPrince George of Cambridge walks holding his mother Catherine, Duchess of Cambridge's hand as they watch Prince William, Duke of Cambridge and Prince Harry play in the Jerudong Trophy charity polo match at Cirencester Park Polo Club on June 15, 2014 in Cirencester, England.
Max Mumby—Indigo/Getty Images
Mad HatterPrince William, Duke of Cambridge and Kate the Duchess of Cambridge applaud during a remembrance ceremony in Arromanches, France, on June 6, 2014.
Remy de la Mauviniere—AP
Lady in RedBritain's Catherine, the Duchess of Cambridge, meets pupils and community members during a visit to the Strathearn Community Campus at Crieff in Scotland on May 29, 2014.
Andrew Milligan—Reuters
Seeing Green
From left: The Duke and Duchess visit the National Portrait Gallery in Canberra April 24, 2014.
Samir Hussein—WireImage/Getty Images
Royal Reception
From left: The Duke and Duchess of Cambridge during a reception at Government House in Canberra on April 24, 2014.
Arthur Edwards—The Sun/AP
Pretty in Pink
The Duchess of Cambridge meets well wishers outside The Northern Sound System in Adelaide, Australia, on April 23, 2014.
Arthur Edwards—The Sun/AP
Kate and HobbsFrom right: Prince William, Duke of Cambridge and his wife Catherine, Duchess of Cambridge stand in front of Uluru in the Northern Territory, Australia, April 22, 2014.
William West—EPA
Tailored TaupePrince William and Catherine arrive at Ayers Rock Airport, Yulara, Northern Territory, Australia, April 22, 2014.
Dean Lewins—EPA
Fascinating WomanCatherine, Duchess of Cambridge arrives at St. Andrew's Cathedral for Easter Sunday Service on April 20, 2014 in Sydney.
Michael Dunlea—Barcroft Media/Landov
Straighten Up and Fly RightFlanked by Chief of Air Force, Air Marshall Geoff Brown (left), and Commanding Officer of Number 1 Squadron , Wing Commander Stephen Chappell (right), Catherine, the Duchess of Cambridge, makes her way into the cockpit of a RAAF Super Hornet of 1 Squadron at the Royal Australian Airforce Base at Amberley on April 19, 2014 in Brisbane, Australia.
William West—Getty Images
Lovely in LaceFrom left: Catherine, Duchess of Cambridge and Prince William feed a Quokka during a visit to Taronga zoo Sydney on April 18, 2014.
Anthony Devlin—PA Photos/Landov
Riding a Wave in LaceCatherine, Duchess of Cambridge meets with young surf lifesavers during a surf lifesaving event on Manly Beach on April 18, 2014 in Sydney.
Eddie Mulholland—Getty Images
Perfect PrintPrince William and Catherine Duchess of Cambridge visit Echo Point, Katoomba in the Blue Mountains, Australia, April 17, 2014.
Tim Rooke—Rex/REX USA
Sunshine in SydneyFrom left: Catherine, Duchess of Cambridge, Prince William, and Prince George arrive from New Zealand at Sydney airport on April 16, 2014.
William West—AFP/Getty Images
Focus on the PuppiesFrom left: Prince William, Duke of Cambridge, and Catherine, Duchess of Cambridge, hold police dog puppies at the Royal New Zealand Police College in Wellington, New Zealand, on April 16, 2014.
Reuters
Batter Up!Catherine, Duchess of Cambridge plays cricket in Latimer Square Gardens on April 14, 2014 in Christchurch, New Zealand.
Ian Jones—Pool/Getty Images
Same Dress, Different ColorCatherine, Duchess of Cambridge visits Cathedral Church at St Paul on April 13, 2014 in Dunedin, New Zealand.
Samir Hussein—WireImage
Gorgeous in GreenBritain's Prince William opens an umbrella for himself and his wife Catherine, Duchess of Cambridge, during a walkabout in Cambridge, New Zealand, April 12, 2014.
Eddie Mulholland—Pool/Reuters
Team Kate TriumphsCatherine, Duchess of Cambridge arrives at the Westpark Marina on a Sealegs amphibious marine craft at the Whenuapai RNZAF base on April 11, 2014 in Auckland.
Phil Walter—Getty Images
The Fern of New ZealandCatherine, Duchess of Cambridge and Prince William, Duke of Cambridge pose together at the unveiling a portrait of Queen Elizabeth II, painted by New Zealand artist Nick Cuthell at a state reception at Government House on April 10, 2014 in Wellington, New Zealand.
Samir Hussein—WireImage
Under My UmbrellaCatherine, Duchess of Cambridge watches Prince William, Duke of Cambridge sit in a plane as they attend a WW1 commemorative and Flying Day at Omaka Aviation Heritage Centre on April 10, 2014 in Blenheim, New Zealand.
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Oh, BabyCatherine, Duchess of Cambridge holds Prince George of Cambridge as they attend Plunkett's Parent's Group on April 9, 2014 in Wellington, New Zealand, during their three-week tour of Australia and New Zealand, the first official trip overseas with their son, Prince George of Cambridge.
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Precious CargoCatherine, Duchess of Cambridge and Prince George of Cambridge arrive at Wellington Military Terminal on an RNZAF 757 from Sydney on April 7, 2014 in Wellington, New Zealand.
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Double Fringe TakeCatherine, Duchess of Cambridge attends the wedding of Lucy Meade and Charlie Budgett at the church of St Mary the Virgin, Marshfield on March 29, 2014 in Chippenham, England.
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Green With EnvyCatherine, Duchess of Cambridge attends the St Patrick's Day Parade at Mons Barracks on March 17, 2014 in Aldershot, England.
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Something Borrowed (From the Queen)Britain's Catherine, the Duchess of Cambridge, arrives at the National Portrait Gallery's Portrait Gala 2014 in central London February 11, 2014.
Olivia Harris—Reuters
Heavy Metal NecklaceCatherine, the Duchess of Cambridge arrives for the Royal Premiere of "Mandela: Long Walk to Freedom" in London December 5, 2013.
Suzanne Plunkett—Reuters
Blue BloodCatherine, Duchess of Cambridge attends the opening of the ICAP Art Room at Northolt High School on February 14, 2014 in Ealing, England.
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Little Black (Lace) DressCatherine, Duchess of Cambridge attends the annual SportsAid dinner at Victoria Embankment Gardens on November 28, 2013 in London, England.
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Solemn StyleCatherine, Duchess of Cambridge attends Remembrance Sunday at the Cenotaph on Whitehall on November 10, 2013 in London, England.
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Red-Letter DayBritain's Catherine, Duchess of Cambridge, prepares to meet staff and volunteers from the Royal British Legions London Poppy Day Appeal at Kensington Palace in central London on November 7, 2013.
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Baby Scene StealerCatherine, Duchess of Cambridge carries her son Prince George Of Cambridge after his christening at the Chapel Royal in St James's Palace on October 23, 2013 in London.
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A Star In StripesCatherine, Duchess of Cambridge departs after attending a Sportaid Athlete Workshop at Queen Elizabeth Olympic Park on October 18, 2013 in London, England.
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Dazzling in Silver SequinsBritain's Prince William, the Duke of Cambridge, and his wife Catherine, the Duchess of Cambridge, arrive to attend the Tusk Conservation Awards at The Royal Society in London, September 12, 2013.
Peter Nicholls—Pool/Reuters
Lacy Bundle of JoyCatherine, Duchess of Cambridge and Prince William, Duke of Cambridge pose for a photograph with their son, Prince George Alexander Louis of Cambridge in the garden of the Middleton family home in August 2013 in Bucklebury, Berkshire.
Michael Middleton—Kensington Palace via Getty Images
Polka Dot TrailblazerCatherine, Duchess of Cambridge starts The Ring O'Fire Anglesey Coastal Ultra Marathon on August 30, 2013 in Holyhead, Wales.
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New ArrivalCatherine, Duchess of Cambridge and Prince William, Duke of Cambridge leave The Lindo Wing of St Mary's Hospital with their newborn son at St Mary's Hospital on July 23, 2013 in London.
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Pretty in Pastel PinkCatherine, Duchess of Cambridge laughs on the balcony of Buckingham Palace during the annual Trooping the Colour Ceremony on June 15, 2013 in London.
Chris Jackson—Getty Images
Blushing for the QueenCatherine, Duchess of Cambridge attends a service of celebration to mark the 60th anniversary of the Coronation of Queen Elizabeth II at Westminster Abbey on June 4, 2013 in London.
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Fresh as a DaisyBritain's Catherine, Duchess of Cambridge attends a garden party at Buckingham Palace in London May 22, 2013.
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Princess PeachCatherine, Duchess of Cambridge visits Naomi House hospice in Sutton Scotney, Winchester on April 29, 2013. Naomi House provides support to children with life-limiting conditions and their families.
David Parker—AFP/Getty Images
Mint-Green Mulberry
Catherine, Duchess of Cambridge attends the National Review of Queen's Scouts at Windsor Castle on April 21, 2013.
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Baby Bump In BlueCatherine, Duchess of Cambridge, in her role as Patron of The Art Room, attends an evening reception to celebrate the work of the charity at the National Portrait Gallery on April 24, 2013 in London, England.
Max Mumby—Indigo/Getty Images
Mad HatterCatherine, Duchess of Cambridge visits Baker Street Underground Station to celebrate the Underground's 150th Birthday on March 20, 2013 in London.
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Peach and ChocolateCatherine, Duchess of Cambridge attends Day 4 of The Cheltenham Festival at Cheltenham Racecourse on March 15, 2013 in London.
Max Mumby—Indigo/Getty Images
All Wrapped UpCatherine, Duchess of Cambridge, in her role as Patron of Action on Addiction, arrives for a visit to Hope House, a residential treatment centre, on February 19, 2013 in London.
Max Mumby—Indigo/Getty Images
Kate on KateCatherine, Duchess of Cambridge is seen after viewing artist Paul Emsley's new portrait of herself during a private viewing at the National Portrait Gallery on January 11, 2013 in London, England.
John Stillwell—WPA Pool/Getty Images
Hockey in HeelsCatherine, Duchess of Cambridge takes part in a day of activities and festivities to mark the occasion of St Andrew's Day at St Andrew's School on November 30, 2012 in Pangbourne, Berkshire, England.
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Groovy in GreenCatherine, Duchess of Cambridge attends the official opening of The Natural History Museums's Treasures Gallery at Natural History Museum on November 27, 2012 in London.
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Pop of ColorCatherine, Duchess of Cambridge attends a Reception and Dinner in aid of the University of St. Andrews 600th Anniversary Appeal at Middle Temple Hall on November 8, 2012 in London.
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Army GreenCatherine, Duchess of Cambridge attends the official launch of The Football Association's National Football Centre at St George's Park on October 9, 2012 in Burton-upon-Trent, England.
Christopher Jackson—The FA via Getty Images
Lemon YellowCatherine, Duchess of Cambridge and Prince William, Duke of Cambridge visit Nauti Primary School during the Royal couple's Diamond Jubilee tour of the Far East on September 18, 2012 in Funafuti, Tuvalu.
Samir Hussein—WireImage
Dancing With the PrincessCatherine, Duchess of Cambridge prepares to dance with the ladies at the Vaiku Falekaupule for an entertainment programme on September 18, 2012 in Tuvalu.
Arthur Edwards—WPA Pool/Getty Images
Garlanded, Your GraceCatherine, Duchess of Cambridge arrives at Honiara International Airport on day 6 of the royal couple's Diamond Jubilee tour of the Far East on September 16, 2012 in Honiara, Guadalcanal Island, Solomon Islands.
Samir Hussein—WireImage
Rugged Beauty Britain's Prince William and his wife Catherine, the Duchess of Cambridge, arrive in Danum Valley Research Center in Danum Valley, some 70 kilometers west of Lahad Datu, on the island of Borneo on September 15, 2012.
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Lovely in LaceCatherine, Duchess of Cambridge attends a tea party at the British High Commission on day 4 of Prince William, Duke of Cambridge and Catherine, Duchess of Cambridge's Diamond Jubilee Tour of the Far East on September 14, 2012 in Kuala Lumpur, Malaysia.
Danny Lawson—Pool/Getty Images
Rhapsody in Baby BluePrince William's wife, Catherine, the Duchess of Cambridge adjusts her scarf outside a mosque in Kuala Lumpur on September 14, 2012, on the second leg of a nine-day Southeast Asian and Pacific tour marking Queen Elizabeth II's Diamond Jubilee.
STR—AFP/Getty Images
White and GoldPrince William, Duke of Cambridge and Catherine, Duchess of Cambridge attend an official dinner hosted by Malaysia's Head of State Sultan Abdul Halim Mu'adzam Shah of Kedah on September 13, 2012 in Kuala Lumpur, Malaysia.
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The White McQueenCatherine, Duchess of Cambridge tours the Rolls-Royce Seletar Campus during the Diamond Jubilee tour at Seletar Aerospace Park on September 12, 2012 in Singapore.
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Tickled PinkCatherine, Duchess of Cambridge visits Singapore Botanical Gardens on day 1 of their Diamond Jubilee tour on September 11, 2012 in Singapore.
Samir Hussein—WireImage
Team PlayerCatherine, Duchess of Cambridge leaves the Copper Box after watching Great Britain play Lithuania in Goalball at the London 2012 Paralympic Games on August 30, 2012 in London.
Stefan Rousseau—WPA Pool/Getty Images
Roksanda Repeat
The Duchess chose a grey shift by Serbian-born designer Roksanda Ilincic for an event at the Royal Academy of Arts in London on July 31, 2012. She first wore the number in 2011 on an official visit to Los Angeles.
Uppa/Zuma Press
Royal Blue
On July 19, 2012, the Duchess wore an $800 electric blue Stella McCartney dress to the National Portrait Gallery in London. Middleton was at the museum to unveil "The Road to 2012: Aiming High," a portrait exhibition of athletes competing in the 2012 Games. McCartney designed the Olympic uniforms for the 2012 U.K. team.
Max Mumby—Indigo/Getty Images
Hats Off
The Duchess paired a white Alexander McQueen ensemble and Jane Corbett fascinator with her favorite nude L.K. Bennett heels for the Order of the Garter procession at Windsor Castle on June 18, 2012.
Paul Hackett—AFP/Getty Images
Blue Note
On June 16, 2012, Middleton wore a baby blue Erdem dress and matching Jane Corbett hat for the Trooping the Color ceremony in London. The annual event marks the official celebration of the Queen's birthday.
Leon Neal—AFP/Getty Images
Sailing Sharp
On June 3, 2012, the Duchess sailed down London's Thames River for Queen Elizabeth II's Diamond Jubilee Pageant clad in a bold, tailored Alexander McQueen dress and adorned with a floral hat by Sylvia Fletcher for John Lock and Company. The dress and her clutch, also by McQueen, are customized for the Duchess on this occasion.
David Crump—AFP/Getty Images
Familiar Frock
On May 29, 2012, In honor of Queen Elizabeth II's Diamond Jubilee, the Duchess attended a garden party at Buckingham Palace in a familiar Emilia Wickstead frock, topped off with Jane Corbett hat.
Anthony Devlin—WPA Pool/Getty Images
Pretty in Pink
On May 18, 2012, the Duchess wore a pretty and pink Emilia Wickstead fitted frock at the Lunch For Sovereign Monarchs event at Windsor Castle.
Arthur Edward—WPA Pool/Getty Images
Team Teal
On May 11, 2012, the Duchess attended a gala event marking the countdown to the London Olympic Games in a gorgeous gown designed by the British Jenny Packham.
Max Mumby—Indigo/Getty Images
Dinner Guest
On May 8, 2012, the Duchess attended an event hosted by The Thirty Club at Claridges in London wearing a white gown by Roland Mouret and Jimmy Choo heels.
Samir Hussein—WireImage/Getty Images
Historical View
The Duchess wore an Amanda Wakeley shift, accessorized with an Alexander McQueen belt, to a reception at the Imperial War Museum in London on April 26, 2012.
Paul Grover—Rex USA
Royal Blue
Middleton chose a Rebecca Taylor suit for a April 26, 2012 appearance at London's Goldsmiths Hall.
BEImages
British Designs
On April 25, 2012, Middleton wore a gray dress by British designer Matthew Williamson for the U.K. premiere of African Cats at London's British Film Institute.
Paul Grover—Rex USA
Speaking Solo
Catherine, the Duchess of Cambridge gave her first solo official remarks as a royal at the opening of the Treehouse Children's Hospice on March 19, 2012, in Ipswich, England. She wore a blue Reiss frock—the same dress that her mother, Carole Middleton, wore to the Ascot horse races in 2010.
Ian Gavan—Getty Images
O'Middleton
The Duchess celebrated St. Patrick's Day on March 17, 2012 in a dark green Emilia Wickstead dress. She took part in a parade and presented shamrocks to the Irish Guards at Aldershot Barracks as part of her official events.
Samir Hussein—WireImage/Getty Images
Going Grey
After her stop on the hockey field, the Duchess switched into a grey Orla Kiely shift to visit Prince Charles' Foundation for Children and the Arts at Dulwich Gallery in South London.
Miguel Medina—AFP/Getty Images
Hockey Hit
An official Olympics ambassador, Kate Middleton visited the Olympic park and met members of Great Britain's hockey teams in London on March 15, 2012. She wore a grey sweater and coral jeans—which saw a boost in sales immediately after her appearance in them—on the field.
Chris Jackson—WPA Pool/Getty Images
Team Kates
Dressed in a navy Emilio Pucci blazer and bright coral jeans, the Duchess met Great Britain's women's hockey team captain Kate Walsh at Olympic Park in London on March 15, 2012.
Chris Jackson—AFP/Getty Images
Touring in Teal
On March 8, 2012, the Duchess accompanied Queen Elizabeth II to Leicester to kick off her Diamond Jubilee tour in the United Kingdom. Designed by LK Bennett, Middleton's jacket and dress reportedly sold out shortly after her appearance in them. The Duchess completed her look with a black fascinator and Epsiode pumps.
Samir Hussein—WireImage/Getty Images
Three's a Crowd
In their first public appearance together without their husbands, Middleton, Camilla, the Duchess of Cornwall and Queen Elizabeth II visited Fortnum & Mason store in London on March 1, 2012 as part of celebrations for the Queen's Diamond Jubilee. All three women wore blue, with Middleton choosing a cornflower Missoni coat.
Ben Pruchnie—FilmMagic/Getty Images
Flying SoloOn Feb. 8, 2012, the Duchess wore a belted gray dress and black pumps to attend a Lucian Freud exhibition at the National Portrait Gallery in London. With Prince William away on military duty, the appearance marked Middleton's first solo official engagement as a royal.
Jorge Herrera—WireImage/Getty Images
A Royal Christmas
The Duchess celebrated her first Christmas as a royal family member in an aubergine coat and hat by British designer Jane Corbett.
Mark Cuthbert—UK Press via Getty Images
Matching Mates
On Dec. 24, 2011, the Duchess visited Castle Rising near Sandringham, Norfolk with Prince Harry. Both royals wore Wellington boots to watch Prince William play in a soccer match.
Paul Marsh—NTI/Landov
Classic Americana
Middleton visited Centrepoint, a homeless youth center in London, on Dec. 21, 2011 wearing a knit dress from Ralph Lauren's Blue Label line. On Jan. 5, 2012, the Duchess announced she would support various charities that work with youth, including East Anglia's Children's Hospices and The Art Room.
Mark Cuthbert—UK Press via Getty Images
Her Favorite Designer
The Duchess attended the Sun Military Awards on Dec. 20, 2011 in a strapless, black velvet Alexander McQueen gown. She has stepped out several times in designs by the label, most famously choosing Sarah Burton to create her elaborate wedding gown.
Arthur Edwards—AFP/Getty Images
Remembrance Day
Middleton mingles at a reception for the National Memorial Arboretum Appeal at St. James's Palace in London on Nov. 10, 2011.
Lefteris Pitarkis—WPA Pool/Getty Images
The Princess and the Duchess
Middleton arrives at a UNICEF emergency-supply center alongside Crown Princess Mary of Denmark in Copenhagen on Nov. 2, 2011.
Max Mumby—Indigo/Getty Images
Going Solo in Silver
Middleton hosted her first official solo engagement on Oct. 26, 2011, after Prince Charles had to travel to Saudi Arabia to pay condolences to the royal family following the death of the Crown Prince. She chose a silver Amanda Wakeley gown to fete In Kind Direct, a charity founded by Prince Charles in 1996.
Clarence House/Getty Images
Royal Red
The Duchess attended a gala for the Child Bereavement Charity in London on Oct. 13, 2011, wearing a crimson Beulah London gown. The dress wraps at the waist, which has become a hallmark of Middleton's most-talked-about outfits, including the blue Issa dress she wore to announce her engagement.
Getty Images
A Predictable Princess
Middleton stepped out on Sept. 29, 2011, in a cream Amanda Wakeley dress to visit the Royal Marsden hospital, where she and Prince William will open a children's cancer unit. Her choice of a basic shift in a neutral color was unsurprising and to be expected for a young royal who has been in princess boot camp.
Brendon Thorne—Getty Images
Sailor Chic
The Duchess visited a neighborhood affected by the London riots on Aug. 19, 2011.
David Jones—AFP/Getty Images
Guest Outfit
The Duchess attended the wedding of Zara Phillips, Princess Anne's daughter, to Mike Tindall in a floral embroidered outfit on July 30, 2011. Though the dress was low-key, she accessorized the ensemble with a large hat adorned with flowers.
Max Mumby—Indigo/Getty Images
A Brit Beauty to Watch
The Duchess wore a lilac Alexander McQueen gown to a British Academy of Film and Television Arts event in Los Angeles on July 10, 2011. Prince William, who is president of BAFTA, delivered remarks at the ceremony, which honored rising British actors. The couple were in California as part of their first North American tour.
Mark Large—Reuters/Landov
Princess in Profile
Middleton picked a knit top and white skirt for a reception in Santa Barbara, Calif., on July 10, 2011. The ceremony marked the launch of Tusk Trust's U.S. Patron's Circle. Prince William is a royal patron of the trust, which supports development projects across Africa.
Chris Jackson—Getty Images
Scoring on the Field
The Duchess chose a stunning Jenny Packham shift to wear at the Foundation Polo Challenge in Santa Barbara, Calif., on July 9, 2011. Prince William scored four goals during the match, helping his team, Royal Salute, win the tournament.
Chris Jackson—Getty Images
It's a Wrap
For a visit to the British Consul-General's residence in Los Angeles, Middleton wore a green Diane von Furstenberg frock. The Belgian-American designer is famous for creating the iconic wrap dress.
Chris Pizzello—AP
Lady in Red
On the final day of the Canadian leg of her North American tour, Middleton chose a red suit set, adorned with a maple-leaf brooch. The silver accessory and red outfit were a tribute to Canada's flag.
Samir Hussein—SIPA USA
Cowgirl Kate
In Calgary, Canada, the Duchess attended a government reception at the BMO Centre on July 7, 2011. She looked all-American in her cowboy hat, boots and bold belt buckle.
Todd Korol—AFP/Getty Images
Sunny Side Up
The Duchess arrived in Calgary on July 7, 2011, in a bright yellow dress. The color was a surprising choice for Middleton, who typically sticks to navy and neutrals.
Todd Korol—Reuters
Kate Middleton can wear them, but can you imagine the current Queen in jeans?
Lionel Hahn—ABACAUSA
Matching Couple
The Duke and Duchess of Cambridge wore matching red sweatshirts during a visit to Blachford Lake on July 5, 2011.
Arthur Edwards—ABACAUSA
Another Casual Turn
Middleton wore a button-down shirt, skinny jeans and flats to board a seaplane for Blachford Lake on July 5, 2011.
Samir Hussein—SIPA USA
Made by Malene
On July 5, 2011, the Duchess chose a beige Malene Birger shift while touring Yellowknife, Canada.
Julian Parker—UK Press via Getty Images
Athletic Chic
On July 4, 2011, the Duchess visited a beach on Prince Edward Island, Canada, as part of her first overseas tour as a royal. In a departure from her usual style, she went casual in a black track suit and pants.
Douliery-Hahn—ABACAUSA
In the Trenches
The Duchess wore a navy blue trench coat, accessorized with a red scarf, on July 4, 2011, in Charlottetown, Canada. Her appearance in a beige Burberry trench coat in 2010 led the jacket to sell out in stores immediately.
Arthur Edwards—Getty Images
McQueen for a Queen
Middleton wore a white dress by Alexander McQueen for an arrival ceremony in Charlottetown on July 4, 2011. The label, now designed by Sarah Burton, has emerged as one of the future Queen's favorite designers.
Robert F. Bukaty—AP
Beautiful in Blue
The Duchess visited youth in Quebec on July 3, 2011, in a blue Erdem lace dress.
Julian Parker—UK Press via Getty Images
Hello, Quebec!
Middleton greeted supporters during a visit to Fort Levis in Quebec City on July 3, 2011. She wore a sleeveless Joseph shift for the occasion.
Sean Kilpatrick—AP
Diana-Inspired
On July 2, 2011, the Duchess visited Ottawa in a gray Catherine Walker dress. The designer was one of Princess Diana's favorites.
Olivier Douliery—ABACAUSA
Royal Purple
The Duchess attended a Canada Day celebration on July 1, 2011, in a purple Issa dress. She famously wore a navy blue Issa dress, which had a similar silhouette, to announce her engagement to Prince William on Nov. 16, 2010, inspiring countless copycat numbers.
Samir Hussein—SIPA USA
Reiss Repeat
The Duchess celebrated Canada Day on July 1, 2011, in the same white Reiss dress that she wore in her engagement photo. She accessorized with a red maple-leaf fascinator and maple-leaf brooch.
Splash News/Corbis
Lovely in Lace
The Duchess arrived in Ottawa on June 30, 2011, in another navy blue dress, but pinned part of her hair back for a new look.
Phil Noble—Reuters
Heading to Heathrow
On June 30, 2011, the Duchess departed London in a navy blue ensemble that included a Roland Mouret shift, Smythe blazer and Mulberry bag. The trip marked her first international travel as a royal.
Steve Parsons—WPA Pool/Getty Images
Tennis Style
The Duchess wore a sleeveless, tiered white dress to attend the match between Andy Murray and Richard Gasquet at Wimbledon on June 27, 2011.
Anthony Devlin—ABACAUSA
Fulfilling Her Duty
On a visit to Victoria Barracks in Windsor, England, on June 25, 2011, Middleton suited up in a navy ensemble that matched Prince William's in color and silhouette.
Carl Court—AFP/Getty Images
Princess in Profile
In Windsor, Middleton watched the Garter Service in a gray suit and fascinator. June 13, 2011.
Kirsty Wigglesworth—AFP/Getty Images
McQueen, Round 3
The Duchess of Cambridge stands on the balcony at Buckingham Palace in another white design by Sarah Burton for Alexander McQueen after a ceremony for the Queen's birthday on June 11, 2011. Nearly two months earlier, she stood in the same location in her Alexander McQueen wedding gown.
Max Mumby—Indigo/Getty Images
Easy Elegance
Middleton chose a black-and-white shift for a friend's wedding in Lambourn, England, on June 11, 2011.
Max Mumby—Indigo/Getty Images
Princess in Pink
In her most regal fashion moment to date, Middleton wore a sparkly Jenny Packham gown to the ARK Gala dinner at Kensington Palace on June 9, 2011.
Samir Hussein—SIPA USA
Racy Attire
The Duchess wore a Reiss dress under a Joseph jacket to a Derby festival in Epsom, England, on June 4, 2011.
Max Mumby—Indigo/Getty Images
Fashion Royalty
The Duchess of Cambridge met Michelle Obama at Buckingham Palace in a short-sleeved beige Reiss shift and black pumps on May 24, 2011. The dress, made by the same designer of her engagement-portrait frock, sold out in the U.S. and crashed the retailer's website.
Toby Melville—AFP/Getty Images
No Ordinary Saturday Stroll
The morning after her wedding, on April 30, 2011, Middleton opted for a $90 blue Zara dress, which she wore belted under a black blazer and wedge pumps. Photographers snapped this image as the couple left Buckingham Palace to board a helicopter.
John Stillwell—AP
Alexander McQueen, Round 2
For her evening wedding reception, Middleton chose a Sarah Burton–designed gown with a sweetheart neckline similar to that of her Westminster Abbey dress but without the lace overlay. She accessorized the ensemble, which looked to be the shell of her wedding gown, with a diamond waistband and a matching white cardigan. April 29, 2011
John Stillwell—AP
The Ultimate Fashion Statement
The newly minted Duchess of Cambridge wowed the public and couture experts alike with a stunning gown designed by Sarah Burton for Alexander McQueen at her wedding to Prince William on April 29, 2011.
Paul Rogers—WPA Pool/Getty Images
All Suited Up
Middleton, in a navy blue suit, met athletes on a visit to Witton Country Park in Darwen, England, in her final appearance before her wedding to Prince William. April 11, 2011
Danny Martindale—FilmMagic
Burberry in Belfast
On a trip to Northern Ireland on March 8, 2011, Middleton wore a trench coat by Burberry, a British design house. The jacket, like many of Middleton's clothing pieces, sold out online within a day of her appearance in it.
Cathal McNaughton—Reuters
The Lady in Red
Middleton wore red on Feb. 25, 2011 to commemorate the 600th anniversary of her and Prince William's alma mater, St. Andrew's University, where they met.
Toby Melville—Reuters
High Fashion
The future royal opted for another trench, this time in black, to meet New Zealand's high commissioner, Derek Leask, on Feb. 25, 2011.
David Parker—Reuters
Middleton's Official Style
In her first official royal duty after the announcement of her engagement to Prince William, Middleton wore a coat with a classic silhouette, accessorized by a feather headpiece. Feb. 24, 2011
Dylan Martinez—Reuters
Fashion in Black and White
For her first public outing post-engagement — a visit to the Thursford Collection in Norfolk — Middleton steered clear of any potential controversy in a simple black and white dress worn under a black blazer. Dec. 18, 2010
Paul Hackett—Reuters
The Dress That Launched a Thousand Knockoffs
Designed by Issa, Middleton's now famous blue engagement dress spawned several hard-to-get knockoffs, one of which cost a mere $25. Nov. 16, 2010
Suzanne Plunkett—Reuters
Blue Beauty, Take Two
A month before she would wear that other famous blue dress, Middleton picked a sapphire shift to wear to a friend's wedding in Cheltenham, England, on Oct. 23, 2010.
Max Mumby—Indigo/Getty Images
Color Kate Crazy
Middleton loosened her style up with a neon-colored ensemble for the Day-Glo Midnight Roller Disco in London on Sept. 17, 2008.
Danny Martindale—Getty Images
Hanging with Harry
The future royal picked a polka-dot pattern for the Order of the Garter Service at St. George's Chapel on June 16, 2008.
Harry Page—Reuters
Slope Style
She may be a future princess, but Middleton's no priss. On holiday in Switzerland, she hit the slopes in a puffy ski jacket and pants. March 19, 2008
Max Mumby—Indigo/Getty Images
Where the Wild Things Are
Middleton attended an after-party for the dance show "AFRIKA! AFRIKA!" in an animal-print frock. Jan. 17, 2008
Dave M. Benett—Getty Images
Casual Kate
Before her high-fashion transformation, Middleton kept it casual. She and Prince William had reportedly broken up at this point. May 17, 2007
Mel Bouzad—FilmMagic
Lovely in Lace
Middleton chose a light pink shift with lace overlay for a book-launch party in London on May 14, 2007.
Dave M. Benett—Getty Images
Princess of Prep
At the Badminton Horse Trials on May 4, 2007, Middleton wore a button-down shirt with a navy sweater and brown boots.
Max Mumby—Indigo/Getty Images
Dressing Down
Middleton picked an informal blue blazer and flowy skirt for the final day of horse racing at the Cheltenham Festival on March 16, 2007.
Toby Melville—Reuters
Working-Girl Wardrobe
Photographers snapped Middleton in a patterned dress and black blazer as she returned home from work in London on Jan. 9, 2007. She had worked as an accessories buyer for Jigsaw, a clothing chain, but will not be able to do any work apart from charity after getting married.
Chris Uncle—FilmMagic
Regal in Red
Middleton attended Prince William's graduation ceremony from the Royal Military Academy on Dec. 15, 2006, in a red and black ensemble.
Tim Ockenden—Reuters
Wimbledon Wear
She wore a floral flock to a party thrown by Sir Richard Branson to celebrate the tennis tournament on June 22, 2006.
Dave M. Benett—Getty Images
Showing Some Skin
Middleton wore a sleeveless polka-dot dress to cheer on Prince William at the Chakravarty Cup charity polo match on June 17, 2006.
Max Mumby—Indigo/Getty Images
Floral Fashion
A baby pink blazer and colorful dress gave Middleton girly flair. June 14, 2006
Dave M. Benett—Getty Images
Hallmark Hat
At the wedding of Prince Charles and Camilla Parker Bowles on May 6, 2006, Middleton showed her trademark style: fitted trench coat and extravagant headpiece. Her attendance solidified her status as official royal girlfriend and further fueled engagement rumors.
Toby Melville—Reuters
Russian Influence
Middleton kept warm in a fur hat at the Cheltenham Races on March 17, 2006.
Tim Graham—Getty Images
Western Beauty
For the Festival of British Evening at Gatcombe Park, in Stroud, England, Middleton chose comfortable jeans, riding boots and a brown hat. Aug. 6, 2005
Max Mumby—Indigo/Getty Images
Graduation Day
Middleton, 23 in this photograph, in her University of St. Andrews graduation-ceremony attire. June 23, 2005
Anwar Hussein—WireImage/Getty Images
Girl Next Door
Before her graduation from the University of St. Andrews, Middleton kept it super-casual in a tank top and jeans. June 23, 2005
Max Mumby—Indigo/Getty Images
Black and White and Fashionable All Over
In classic Kate fashion, Middleton attended a friend's wedding in a blazer and fitted skirt. June 4, 2005
Max Mumby—Indigo/Getty Images
The "She's Hot!" Dress
Middleton in the now famous sheer dress that first caused Prince William to think of her as more than a friend. The brown number, which Middleton wore at a charity fashion show in college on March 26, 2002, sold at a London auction for $125,890 in March 2011.
Walter Neilson—Alpha/Landov
Kiddie Kate Style
Fashionable from the beginning, Middleton sported colors and stripes as a 3-year-old on a family holiday in England's Lake District in 1985.
The Middleton Family—WireImage/Getty Images
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