LONDON, UNITED KINGDOM - OCTOBER 26:  Prince William, Duke of Cambridge, left, Prince Harry, centre, and Catherine, Duchess of Cambridge, right, smile as they take part in 'welly wanging', with children and representatives from charities and Aardman Animations, during a meeting of the Charities Forum at BAFTA on October 26, 2015 in London, United Kingdom. (Photo by Tim Ireland - WPA Pool/Getty Images)