LONDON, UNITED KINGDOM - JUNE 12: (EMBARGOED FOR PUBLICATION IN UK NEWSPAPERS UNTIL 48 HOURS AFTER CREATE DATE AND TIME) Catherine, Duchess of Cambridge and Prince Philip, Duke of Edinburgh watch a carnival parade as they attend 'The Patron's Lunch' celebrations to mark Queen Elizabeth II's 90th birthday on The Mall on June 12, 2016 in London, England. (Photo by Max Mumby/Indigo/Getty Images)
