Prince William's life in pictures

Charles and Diana leave St Mary's Hospital with baby William in 1982 Photograph: Anwar Hussein/Getty Images

Charles and Diana look at baby William on the day of his christening at Buckingham Palace in 1982 Photograph: Anwar Hussein/WireImage

Diana with William during their 1983 official visit to New Zealand, in April 1983 Photograph: Anwar Hussein/WireImage

Diana, Princess of Wales arrives with baby Prince William at Aberdeen airport in 1983 Photograph: Anwar Hussein/Getty Images

1984: Princess Diana with sons William and Harry Photograph: AP

The Prince and Princess of Wales on holiday with their children at the Spanish royal residence Marivent Palace, August 1987 Photograph: Princess Diana Archive/Getty Images

Prince William plays a shepherd in a nativity play in 1986 Photograph: Mauro Carraro/Rex Features

Princess Diana and Prince William on William's first day at Wetherby School in 1987 Photograph: Brendan Beirne/Rex Features

Diana, William and Harry on a water ride at Thorpe Park Photograph: Cassidy and Leigh/Rex Features

Prince William, Prince Harry and Prince Charles at the funeral of Princess Diana Photograph: Andy Hall/Andy Hall

Prince William on his way to his first day at Eton school near Windsor Photograph: by Adam Butler/PA

In the last year of university at St Andrew's, Scotland, in 2004 Photograph: David Cheskin/AFP/Getty Images

William talks to the public after attending his university graduation ceremony at St Andrews University, Scotland, in 2005 Photograph: Scott Heppell/AP

The Queen and her grandson William exchange smiles as she inspects graduates during the Sovereign's Parade at the Royal Military Academy Sandhurst, in 2006 Photograph: Kirsty Wigglesworth/AP

Prince William and Kate Middleton smile during a visit to the University of St Andrews in 2011 Photograph: Andrew Milligan/AFP/Getty Images

Kate Middleton and Prince William visit Trearddur Bay Lifeboat Station at Anglesey in 2011 Photograph: Chris Jackson/Getty Images