ASCOT, UNITED KINGDOM - MAY 31: (EMBARGOED FOR PUBLICATION IN UK NEWSPAPERS UNTIL 48 HOURS AFTER CREATE DATE AND TIME) Prince William, Duke of Cambridge and Prince Harry seen after playing in the Audi Polo Challenge at Coworth Park Polo Club on May 31, 2014 in Ascot, England. (Photo by Max Mumby/Indigo/Getty Images)