Britain's Prince William and his wife Catherine, Duchess of Cambridge applaud after the fourth set of the men's singles final tennis match between Novak Djokovic of Serbia and Roger Federer of ... more 
Britain's Prince William and his wife Catherine, Duchess of Cambridge applaud after the fourth set of the men's singles final tennis match between Novak Djokovic of Serbia and Roger Federer of Switzerland on Centre Court at the Wimbledon Tennis Championships, in London July 6, 2014. REUTERS/Stefan Wermuth (BRITAIN - Tags: ENTERTAINMENT ROYALS SPORT TENNIS) less 
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Reuters | Photo By STEFAN WERMUTH / REUTERS
Sun, Jul 6, 2014 12:36 PM EDT