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LONDON, UNITED KINGDOM - MARCH 11: Queen Elizabeth II Smiling And Happy In Her Role As Head Of The Commonwealth Attending The Commonwealth Day Observance Service At Westminster Abbey (Photo by Tim Graham Photo Library via Getty Images)

LONDON, UNITED KINGDOM - MARCH 11:  Queen Elizabeth II  Smiling And Happy In Her Role As Head Of The Commonwealth Attending The Commonwealth Day Observance Service At Westminster Abbey  (Photo by Tim Graham Photo Library via Getty Images)