You're nobody until somebody loves you – even if you're a prince. Prince William and Kate Middleton pose for their engagement photo in 2010.
2 of 23
The ultimate baby picture: Princess Diana and Prince Charles look lovingly at baby Prince William at Buckingham Palace in London on the day of his christening in 1982. Prince William was born on June 21, 1982.
3 of 23
Prince William already looks quite royal with his parents, Prince Charles and Princess Diana, at Kensington Palace in London in 1983.
4 of 23
Prince William walks in the gardens of Kensington Palace in London in 1983.
5 of 23
Prince Charles pushes Prince William on a swing on his second birthday in 1984, just like many a commoner (except, perhaps, for the bespoke suit).
6 of 23
Prince William yawns at the wedding of Prince Andrew and Sarah Ferguson in London in 1986. He'd better not do that at his own wedding.
7 of 23
Princess Diana sits with Prince William at Smiths Lawn in Windsor, England, in 1987.
8 of 23
Prince William looks dapper in his school uniform in 1989.
9 of 23
Prince William learns to ski in Lech, Austria, in 1991.
10 of 23
No mere bumper car for royalty: Prince William tries the F1 Benetton car on for size at the British Grand Prix in 1992.
11 of 23
Brotherly fun: Prince William and Prince Harry enjoy the flying fish ride at Thorpe Park in Chertsey, England, in 1993.
12 of 23
Prince William arrives for his first day at Eton College near Windsor, England, in 1995.
13 of 23
(From left) Earl Spencer, Prince William, Prince Harry, and Prince Charles attend the funeral of Princess Diana in London in 1997.
14 of 23
Prince William receives helium balloons on his 21st birthday in 2003.
15 of 23
Prince William looks for an open teammate during his water polo debut for the Scottish national universities squad in the annual Celtic Nations tournament against Wales and Ireland in Cardiff, Wales, in 2004.
16 of 23
Princes Charles plays in a charity polo match in Cirencester, England, in 2004.
17 of 23
Prince William becomes a university graduate at St Andrews in Scotland in 2005.
18 of 23
Prince William begins an intensive flying course at RAF Cranwell in Lincolnshire, England in 2008.
19 of 23
Prince William and his girlfriend Kate Middleton attend a National Hunt Racing event during the Cheltenham Festival in 2007.
20 of 23
Looking very charming, a regalia-clad Prince William attends the Order of the Garter Ceremony at Windsor Castle in Windsor, England, in 2010.
21 of 23
Prince William meets people while attending a concert at Toowooba, Australia, on March 20.
22 of 23
Garry Samuels/Freerange Communications/AP
Madame Tussaud's hair and makeup artist Marie Chandler puts the finishing touches on the wax figure of Prince William in London on April 13, in preparation for soaring interest in the Royal Wedding.