LONDON, ENGLAND - DECEMBER 8: Prince Charles, Prince of Wales, attends the annual Diplomatic Reception at Buckingham Palace on December 8, 2015 in London, England..(Photo by Julian Parker/UK Press via Getty Images
LONDON, ENGLAND - DECEMBER 8: Prince Charles, Prince of Wales, attends the annual Diplomatic Reception at Buckingham Palace on December 8, 2015 in London, England..(Photo by Julian Parker/UK Press via Getty Images