LONDON, UNITED KINGDOM - JUNE 27: Queen Elizabeth II (L) and Prince Philip, Duke of Edinburgh are greeted by their son Prince Charles, Prince of Wales as they arrive at the funeral service of Patricia Knatchbull, Countess Mountbatten of Burma at St Paul's Church in Knightsbridge on June 27, 2017 in London, United Kingdom. (Photo Matt Dunham - WPA Pool/Getty Images)
