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WINDSOR, ENGLAND - JUNE 19: Birgitte, Duchess of Gloucester attends the Order Of The Garter Service at Windsor Castle on June 19, 2023 in Windsor, England. (Photo by Mark Cuthbert/UK Press via Getty Images)

WINDSOR, ENGLAND - JUNE 19: Birgitte, Duchess of Gloucester attends the Order Of The Garter Service at Windsor Castle on June 19, 2023 in Windsor, England. (Photo by Mark Cuthbert/UK Press via Getty Images)

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WINDSOR, ENGLAND - JUNE 19: Birgitte, Duchess of Gloucester attends the Order Of The Garter Service at Windsor Castle on June 19, 2023 in Windsor, England. (Photo by Mark Cuthbert/UK Press via Getty Images)

WINDSOR, ENGLAND - JUNE 19: Birgitte, Duchess of Gloucester attends the Order Of The Garter Service at Windsor Castle on June 19, 2023 in Windsor, England. (Photo by Mark Cuthbert/UK Press via Getty Images)

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WINDSOR, UNITED KINGDOM - JUNE 13: (EMBARGOED FOR PUBLICATION IN UK NEWSPAPERS UNTIL 24 HOURS AFTER CREATE DATE AND TIME) Prince Richard, Duke of Gloucester, Prince Edward, Earl of Wessex, Birgitte, Duchess of Gloucester and Sophie, Countess of Wessex attend The Order of The Garter service at St George's Chapel, Windsor Castle on June 13, 2022 in Windsor, England. The Most Noble Order of the Garter, founded by King Edward III in 1348, is the oldest and most senior Order of Chivalry in Britain. (Photo by Pool/Max Mumby/Getty Images)

WINDSOR, UNITED KINGDOM - JUNE 13: (EMBARGOED FOR PUBLICATION IN UK NEWSPAPERS UNTIL 24 HOURS AFTER CREATE DATE AND TIME) Prince Richard, Duke of Gloucester, Prince Edward, Earl of Wessex, Birgitte, Duchess of Gloucester and Sophie, Countess of Wessex attend The Order of The Garter service at St George's Chapel, Windsor Castle on June 13, 2022 in Windsor, England. The Most Noble Order of the Garter, founded by King Edward III in 1348, is the oldest and most senior Order of Chivalry in Britain. (Photo by Pool/Max Mumby/Getty Images)