Prince William turns 31 today! We're celebrating the prince's big day by taking a peek at 31 images from his well-documented childhood with his younger brother, Prince Harry. He was a looker right from the start, and he learned ease before the cameras and members of the press from a very young age, thanks to help from his mother, Princess Diana, and father, Prince Charles.
Happy Birthday, William! Click through to see the images from his childhood.