Prince Harry 31st Birthday Photos

The Prince and Princess of Wales in 1984 following the birth of their second son, Prince Harry.PA/AP

Prince Harry learning to crawl at home in Kensington Palace, London on Oct. 4, 1985.Tim Graham—Getty Images

Diana, Princess of Wales with her sons, Prince William and Prince Harry, at the piano in Kensington Palace, London on Oct. 4, 1985.Tim Graham—Getty Images

The Princess of Wales holds son Prince Harry while the royal family poses for photographers at the Royal Palace in Majorca, Spain on Aug. 9, 1987. John Redman—AP

Prince Harry, 3, peers through a pair of binoculars made with two cardboard tubes on his way out from his first day at a kindergarten in London on Sept. 16, 1987. Martin Cleaver—AP

Prince Harry sticks his tongue out at the Trooping The Colour ceremony at Buckingham Palace on June 11, 1988.Tim Graham—Getty Images

Charles, William & Harry Photocall In Balmoral

The Prince of Wales and Princes William and Harry at Balmoral Castle in Scotland on Aug. 16, 1997.Julian Parker—Getty Images

The Earl Spencer, Prince William, Prince Harry and the Prince of Wales, wait as the hearse carrying the coffin of Diana, Princess of Wales, prepares to leave Westminster Abbey following her funeral on Sept. 6, 1997.PA/AP

Prince Harry writes at his desk in his room at Eton College boarding school on June 7, 2003 in Berkshire, England.Corbis

Prince Harry takes part in The Field Game on College Field at Eton in Berkshire, England on June 8, 2003.Tim Graham—Getty Images

Prince Harry chases after the ball during the Young England Team against the Young Australian Team polo match in Richmond, Australia on Nov. 23, 2003. Mark Baker—AP

Britain's Prince Harry teaches rugby as a voluntary coach for the RFU at a school in central England

Prince Harry teaches rugby to a group of 10 and 11-year-old pupils from Shelfield Primary School in Walsall in central England on Sept. 28, 2004. Toby Melville—Reuters/Corbis

Britain's Queen Elizaberth II smiles as Prince Harry pulls a face as they watch Prince Charles and the ...

Queen Elizaberth II smiles at Prince Harry as they watch Prince Charles and Camilla, Duchess of Cornwall leave St. George's Chapel on April 8, 2005.Alastair Grant—Reuters

Britains Queen Elizabeth smiles with Prince Harry during Sovereigns Parade at Royal Military Academy in Sandhurst

Queen Elizabeth smiles with Prince Harry during the Sovereign's Parade at the Royal Military Academy in Sandhurst, southern England on April 12, 2006. Dylan Martinez—Reuters

Prince William and Prince Harry, right, parade in suits and bowler hats with the Combined Cavalry Old Comrades' Association, in Hyde Park, London on May 13, 2007.Stefan Rousseau—AP

Prince William, U.S. singer Kanye West, Prince Harry and U.S. singer P. Diddy

Britain's Prince William, singer Kanye West, Prince Harry and singer P. Diddy attend a reception after the concert in memory of Diana, Princess of Wales, at Wembley Stadium in London on July 1, 2007. Roger Allen—AP

Britain's Prince Harry sits in his Spartan armoured vehicle in the desert in Helmand province in Southern Afghanistan February 19, 2008. John Stillwell—Reuters

Britain's Prince William and Prince Harry stand with their motorcycles before the start of the Enduro Africa 08 charity motorcycle ride in Port Edward

Prince William and Prince Harry stand with their motorcycles before the start of the Enduro Africa 08 charity motorcycle ride in Port Edward, about 93 miles) southwest of Durban on Oct. 17, 2008.John Hrusa—Reuters/Corbis

Britain's Prince Harry sings the national anthem before the Six Nations rugby match between England and Italy at Twickenham in London on Feb. 7, 2009. Eddie Keogh—Reuters/Corbis

Prince Harry and Chelsy Davy attend the friendly international rugby union match between England and Australia in London

Prince Harry and Chelsy Davy attend the friendly international rugby union match between England and Australia at Twickenham in London on Nov. 7, 2009.Eddie Keogh—Reuters/Corbis

Britain's Prince Harry holds Veyron, an eight week old puppy, during a visit to the charity Canine Partners Training Centre, in Midhurst in southern England

Britain's Prince Harry holds Veyron, an eight-week-old puppy, during a visit to the charity Canine Partners Training Centre, in Midhurst, England on July 13, 2010. Kirsty Wigglesworth—Reuters

Britain's Prince Harry tries wearing an immersion suit on the island of Spitsbergen, between the Norwegian mainland and the North Pole

Prince Harry tries wearing an immersion suit on the island of Spitsbergen, between the Norwegian mainland and the North Pole, on March 30, 2011. David Cheskin—Reuters

Britain's Prince Harry visits the Xunantunich Mayan temple near Benque Viejo March 3, 2012. Suzanne Plunkett—Reuters

Prince Harry Tours Jamaica To Mark Queen Elizabeth II's Diamond Jubilee

Prince Harry poses with Usain Bolt at the Usain Bolt Track at the University of the West Indies on March 6, 2012 in Kingston, Jamaica. Chris Jackson—Getty Images

Prince Harry visits Up-Park Camp on March 7, 2012 in Kingston, Jamaica. Prince Harry was in Jamaica as part of a Diamond Jubilee Tour, representing Queen Elizabeth.Chris Jackson—Getty Images

Prince Harry Visits The United States - Day One

Prince Harry speaks with First Lady Michelle Obama during the first day of his visit to the United States on May 9, 2013 in Washington, D.C. John Stillwell—Getty Images

Britain's Prince Harry plays sitting volleyball with members of British Warrior Games team before opening of Warrior Games in Colorado Springs

Britain's Prince Harry plays sitting volleyball with members of the British Warrior Games team in a gymnasium, before the opening of the Warrior Games at the U.S. Olympic Training Center in Colorado Springs, Colorado on May 11, 2013.Rick Wilking—Reuters

Prince Harry salutes the ceremonial guards at Garden Island Naval Base for the International Fleet Review in Sydney on Oct. 5, 2013. Mick Tsikas—EPA/Corbis

The Duke and Duchess of Cambridge and Prince Harry view the Tower of London's Poppy Installation

The Duke and Duchess of Cambridge and Prince Harry view the Tower of London's "Blood Swept Lands and Seas of Red" Poppy Installation to commemorate the 100th Anniversary of the outbreak of the First World War at the Tower of London on Aug. 5, 2014. Splash News/Corbis

UK - "Invictus Games" Wheelchair Rugby in London

Prince Harry participates in a celebrity wheelchair rugby match on day 2 of the Invictus Games in London on Sept. 12, 2014.Zak Hussein—Corbis

Prince Harry Visits The National Memorial Arboretum

Prince Harry attends the unveiling of the Bastion Memorial at The National Memorial Arboretum on June 11, 2015 in Stafford, England. Chris Jackson—Getty Images

31 Photos of Prince Harry for His 31st Birthday

More Must-Reads from TIME