Order Of The Garter Service [Getty Images]

WINDSOR, UNITED KINGDOM - JUNE 13: Queen Elizabeth II waves as she and Prince Philip, Duke of Edinburgh drive past crowds as they arrive for the Order of The Garter Service at Windsor Castle on June 13, 2016 in Windsor, England. The annual service is held in St George's Chapel at Windsor Castle. (Photo by Matt Dunham/WPA Pool/Getty Images)

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