(L-R) Britain's Queen Elizabeth, Britain's Prince Philip, Duke of Edinburgh, Britain's Prince Charles, Prince of Wales and Britain's Camilla, Duchess of Cornwall attend a Commonwealth Service at Westminster Abbey in central London, on March 13, 2017. Queen Elizabeth II has been Head of the Commonwealth throughout her reign. Organised by the Royal Commonwealth Society, the Service is the largest annual inter-faith gathering in the United Kingdom. (Photo by Dominic Lipinski / POOL / AFP) (Photo by DOMINIC LIPINSKI/POOL/AFP via Getty Images)
