LONDON, ENGLAND - DECEMBER 08: Catherine, Duchess of Cambridge and Prince William, Duke of Cambridge attend the Diplomatic Reception at Buckingham Palace on December 8, 2015 in London, England. (Photo by Mark Cuthbert/UK Press via Getty Images)
LONDON, ENGLAND - DECEMBER 08: Catherine, Duchess of Cambridge and Prince William, Duke of Cambridge attend the Diplomatic Reception at Buckingham Palace on December 8, 2015 in London, England. (Photo by Mark Cuthbert/UK Press via Getty Images)