Britain’s Prince William his wife Catherine, Duchess of Cambridge and Prince Harry applaud during the Eventing Jumping equestrian event at the London 2012 Olympic Games in Greenwich Park

Prince William and his wife Catherine, Duchess of Cambridge, watch the equestrian competition with Prince Harry. (REUTERS/Luke Macgregor)

Prince William and his wife Catherine, Duchess of Cambridge, watch the equestrian competition with Prince Harry. (REUTERS/Luke Macgregor)

(L-R) Britain’s Prince William his wife Catherine, Duchess of Cambridge and Prince Harry applaud during the Eventing Jumping equestrian event at the London 2012 Olympic Games in Greenwich Park, July 31, 2012. REUTERS/Luke Macgregor (BRITAIN – Tags: SPORT OLYMPICS EQUESTRIANISM ROYALS ENTERTAINMENT)