The Duke of Cambridge turned 30 years old on June 21, 2012. The elder son of the Prince and Princess of Wales was born in London, eleven months after his parents were married, and was given the names William Arthur Philip Louis. The prince was educated at Eton and took a degree at the University of St. Andrews where he met his future wife, Catherine Middleton. The couple married on April 29, 2011. Photos by Corbis, Bauer Griffin and Getty Images.