WINDSOR, ENGLAND - MAY 21:  (L-R) Rory Bremner, Katherine Jenkins and Chief Executive of Tusk Charlie Mayhew talk to Prince William, Duke of Cambridge during a reception and dinner to mark the African conservation charity Tusk Trust's 25th anniversary on May 21, 2015 at Windsor Castle, Windsor, England. (Photo by Steve Parsons - WPA Pool/Getty Images)