LONDON, ENGLAND - JUNE 17: Prince Edward, Duke of Edinburgh and Sophie, Duchess of Edinburgh on the balcony of Buckingham Palace during Trooping the Colour on June 17, 2023 in London, England. Trooping the Colour is a traditional parade held to mark the British Sovereign's official birthday. It will be the first Trooping the Colour held for King Charles III since he ascended to the throne. (Photo by Mark Cuthbert/UK Press via Getty Images)
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UK Press Mark Cuthbert

LONDON, ENGLAND - JUNE 17: Sophie, Duchess of Edinburgh on the balcony of Buckingham Palace during Trooping the Colour on June 17, 2023 in London, England. Trooping the Colour is a traditional parade held to mark the British Sovereign's official birthday. It will be the first Trooping the Colour held for King Charles III since he ascended to the throne. (Photo by Mark Cuthbert/UK Press via Getty Images)
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UK Press Mark Cuthbert

LONDON, ENGLAND - JUNE 17: Sophie, Duchess of Edinburgh travels down The Mall in a horse drawn carriage during Trooping the Colour on June 17, 2023 in London, England. Trooping the Colour is a traditional parade held to mark the British Sovereign's official birthday. It will be the first Trooping the Colour held for King Charles III since he ascended to the throne. (Photo by Mark Cuthbert/UK Press via Getty Images)
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UK Press Mark Cuthbert