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The Cheltenham Festival - Day 4

CHELTENHAM, ENGLAND - MARCH 15: Prince William, Duke of Cambridge has his ear pulled by a friend as Catherine, Duchess of Cambridge looks on on day 4 of the Cheltenham Festival at Cheltenham Racecourse on March 15, 2013 in Cheltenham, England. (Photo by Danny Martindale/Getty Images)

Duke and Duchess of Cambridge

Britain's Prince William and wife Catherine Middleton welcomed a son, Prince George, on July 22, 2013. The infant will become third in line for the British throne after his grandfather Prince Charles and his father, William.