Prince William and his mother, the late Princess Diana

37 of 64: From left, U.S. singer Kanye West, Prince Harry and U.S. singer P. Diddy attend a reception after the concert in memory of Diana, Princess of Wales at Wembley Stadium, north-west London, Sunday July 1, 2007. Waving their arms in the air, rocking their hips and cheering along with around 70,000 fans at London's Wembley Stadium, Princes William and Harry paid tribute to their mother, Princess Diana, at a concert on Sunday on what would have been her 46th birthday. (AP Photo / Roger Allen / Daily Mirror / WPA Pool)