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LONDON, ENGLAND - NOVEMBER 13: Prince William, Duke of Cambridge presents an award to Sir David Attenborough during The London Evening Standard Theatre Awards at The Old Vic Theatre on November 13, 2016 in London, England. (Photo by Stuart C. Wilson - WPA Pool / Getty Images)

LONDON, ENGLAND - NOVEMBER 13:  Prince William, Duke of Cambridge presents an award to Sir David Attenborough during The London Evening Standard Theatre Awards at The Old Vic Theatre on November 13, 2016 in London, England.  (Photo by Stuart C. Wilson - WPA Pool / Getty Images)