EGHAM, ENGLAND - JUNE 18: Queen Elizabeth II (R) presents a prize at the Cartier Queen's Cup Polo final at Guards Polo Club on June 18, 2017 in Egham, England. (Photo by David M Benett/Dave Benett/Getty Images)
EGHAM, ENGLAND - JUNE 18: Queen Elizabeth II (R) presents a prize at the Cartier Queen's Cup Polo final at Guards Polo Club on June 18, 2017 in Egham, England. (Photo by David M Benett/Dave Benett/Getty Images)
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EGHAM, ENGLAND - JUNE 18: Queen Elizabeth II attends the Cartier Queen's Cup Polo final at Guards Polo Club on June 18, 2017 in Egham, England. (Photo by David M Benett/Dave Benett/Getty Images)
Getty Images Entertainment David M. Benett
Queen Elizabeth II presents awards at the Cartier Queen's Cup polo tournament final at Guards Polo in Windsor Great Park, Berkshire. (Photo by Steve Parsons/PA Images via Getty Images)
PA Images Steve Parsons - PA Images
Queen Elizabeth II presents awards at the Cartier Queen's Cup polo tournament final at Guards Polo in Windsor Great Park, Berkshire. (Photo by Steve Parsons/PA Images via Getty Images)
PA Images Steve Parsons - PA Images
EGHAM, ENGLAND - JUNE 18: Queen Elizabeth II attends the Cartier Queen's Cup Polo final at Guards Polo Club on June 18, 2017 in Egham, England. (Photo by David M Benett/Dave Benett/Getty Images)
Getty Images Entertainment David M. Benett