SYDNEY, AUSTRALIA - APRIL 18:  Prince William, Duke of Cambridge and his wife Catherine, Duchess of Cambridge (not pictured) attend a surf lifesaving event on Manly Beach on April 18, 2014 in Sydney, Australia. The Duke and Duchess of Cambridge are on a three-week tour of Australia and New Zealand, the first official trip overseas with their son, Prince George of Cambridge. (Photo by Eddie Mulholland - Pool/Getty Images) - Pool /Getty Images)