LONDON, ENGLAND - DECEMBER 16: Katherine, Duchess of Kent leaves after the annual Christmas lunch hosted by The Queen at Buckingham Palace on December 16, 2015 in London, England. (Photo by Mark Cuthbert/UK Press via Getty Images)
LONDON, ENGLAND - DECEMBER 16: Katherine, Duchess of Kent leaves after the annual Christmas lunch hosted by The Queen at Buckingham Palace on December 16, 2015 in London, England. (Photo by Mark Cuthbert/UK Press via Getty Images)