Commonwealth Service At Westminster Abbey [Getty Images]

LONDON, ENGLAND - MARCH 09: (L-R) Catherine, Duchess of Cambridge, Prince William, Duke of Cambridge, Camilla, Duchess of Cornwall and Prince Charles, Prince of Wales attend the Observance for Commonwealth Day Service At Westminster Abbey on March 9, 2015 in London, England. (Photo by John Stillwell/ - WPA Pool/Getty Images)

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