LONDON, UNITED KINGDOM - SEPTEMBER 18: (EMBARGOED FOR PUBLICATION IN UK NEWSPAPERS UNTIL 48 HOURS AFTER CREATE DATE AND TIME) Catherine, Duchess of Cambridge, Prince William, Duke of Cambridge and Prince Harry attend the Opening Ceremony and first match of the Rugby World Cup 2015 between England and Fiji at Twickenham Stadium on September 18, 2015 in London, England. (Photo by Max Mumby/Indigo/Getty Images)