See Kate Middleton’s Best Pregnancy Looks

Catherine, Duchess of Cambridge welcomes the President of Singapore Tony Tan Keng Yam at the Royal Garden Hotel on Oct. 21, 2014 in London.
Catherine, Duchess of Cambridge welcomes the President of Singapore Tony Tan Keng Yam at the Royal Garden Hotel on Oct. 21, 2014 in London.Chris Jackson—Getty Images
The Duchess Of Cambridge Visits Hope House
Catherine, Duchess of Cambridge visits Hope House, an Action on Addiction women's treatment centre on February 19, 2013 in London.Neil Mockford—FilmMagic/Getty Images
Prince William and Duchess Kate in Scotland
Catherine, Duchess of Cambridge visits the Donald Dewar Leisure Centre in Drumchapel to launch a new Scottish project for their Foundation in Glasgow on April 4, 2013.Rpe-Albert Nieboer—Picture-Alliance/dpa/AP
Catherine, Duchess of Cambridge during the National Review of Queen's Scouts at Windsor Castle in Berkshire on April 21, 2013.
Catherine, Duchess of Cambridge during the National Review of Queen's Scouts at Windsor Castle in Berkshire on April 21, 2013. Olivia Harris—AFP/Getty Images
Duchess of Cambridge arriving for a visit the National Portrait Gallery in London to celebrate the work of The Art Room charity on April 24, 2013.
Catherine, Duchess of Cambridge arriving for a visit the National Portrait Gallery in London to celebrate the work of The Art Room charity on April 24, 2013. John Stillwell—AP
Duchess of Cambridge arrives for her visit to Warner Bros studios in Leavesden, Herts where the popular Harry Potter movies were produced on April 26, 2013.
Catherine, Duchess of Cambridge arrives for her visit to Warner Bros studios in Leavesden, Herts where the popular Harry Potter movies were produced on April 26, 2013.Chris Jackson—AP
Duchess of Cambridge during her visit to Naomi House Children's Hospice in Winchester, Hampshire, England during Children's Hospice Week on April 29, 2013.
Catherine, Duchess of Cambridge during her visit to Naomi House Children's Hospice in Winchester, Hampshire, England during Children's Hospice Week on April 29, 2013.Steve Parsons—AP
Duchess of Cambridge attends a Garden Party in the grounds of Buckingham Palace, hosted by Queen Elizabeth II on June 30, 2013 in London.
Catherine, Duchess of Cambridge attends a Garden Party in the grounds of Buckingham Palace, hosted by Queen Elizabeth II on June 30, 2013 in London.John Stillwell—AP
Queen Elizabeth II's Birthday Parade: Trooping The Colour
Catherine, Duchess of Cambridge stands on the balcony of Buckingham Palace during the annual Trooping the Colour Ceremony on June 15, 2013 in London, England. Max Mumby—Indigo/Getty Images
Duchess to miss friends wedding
Catherine, Duchess of Cambridge attends the Princess Cruises ship naming ceremony at Ocean Terminal on June 13, 2013 in Southampton, England.Chris Ison—AP

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