LONDON, ENGLAND - NOVEMBER 08: Prince Philip, Duke of Edinburgh, Queen Elizabeth II and King Willem-Alexander of the Netherlands attend the annual Remembrance Sunday Service at the Cenotaph, Whitehall on November 8, 2015 in London, England. (Photo by Karwai Tang/WireImage)

LONDON, ENGLAND - NOVEMBER 08:  Prince Philip, Duke of Edinburgh, Queen Elizabeth II and King Willem-Alexander of the Netherlands attend the annual Remembrance Sunday Service at the Cenotaph, Whitehall on November 8, 2015 in London, England.  (Photo by Karwai Tang/WireImage)