LONDON, ENGLAND - JULY 06: Prince William Duke of Cambridge and Catherine, Duchess of Cambridge in the Royal Box on Centre Court before the Gentlemen's Singles Final match between Roger Federer of Switzerland and Novak Djokovic of Serbia on day thirteen of the Wimbledon Lawn Tennis Championships at the All England Lawn Tennis and Croquet Club on July 6, 2014 in London, England. (Photo by Pool/Getty Images)
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