Britain's Queen Elizabeth II attends a service to mark the Centenary of the Order of the British Empire at St Paul's Cathedral, London, May 24, 2017. / AFP PHOTO / POOL / TOBY MELVILLE (Photo credit should read TOBY MELVILLE/AFP/Getty Images)
TOPSHOT - Britain's Queen Elizabeth II attends a service to mark the Centenary of the Order of the British Empire at St Paul's Cathedral, London, May 24, 2017. / AFP PHOTO / POOL / TOBY MELVILLE (Photo credit should read TOBY MELVILLE/AFP/Getty Images)
Britain's Queen Elizabeth II (R) and Britain's Prince Philip, Duke of Edinburgh attend a service to mark the Centenary of the Order of the British Empire at St Paul's Cathedral, London, May 24, 2017. / AFP PHOTO / POOL / TOBY MELVILLE (Photo credit should read TOBY MELVILLE/AFP/Getty Images)
LONDON, ENGLAND - MAY 24: Queen Elizabeth II attends a service to mark the Centenary of the Order of the British Empire at St Paul's Cathedral on May 24, 2017 in London, England. (Photo by Jeff Spicer/Getty Images)
Britain's Queen Elizabeth II (L) and Britain's Prince Philip, Duke of Edinburgh attend a service to mark the Centenary of the Order of the British Empire at St Paul's Cathedral, London, May 24, 2017. / AFP PHOTO / POOL / Tim Ireland (Photo credit should read TIM IRELAND/AFP/Getty Images)
