(FILES) In this file photo taken on July 10, 2018 (L-R) Britain's Meghan, Duchess of Sussex, Britain's Prince Harry, Duke of Sussex, Britain's Prince William, Duke of Cambridge and Britain's Catherine, Duchess of Cambridge, stand on the balcony of Buckingham Palace on July 10, 2018 to watch a military fly-past to mark the centenary of the Royal Air Force (RAF). - Princes William and Harry on January 13, 2020 put on a rare joint front to dismiss a "false story" speculating about their relationship, as senior royals met for talks about the younger brother's future. "For brothers who care so deeply about the issues surrounding mental health, the use of inflammatory language in this way is offensive and potentially harmful," they said. (Photo by Tolga AKMEN / AFP)