Queen Elizabeth, Prince William and Kate Middleton celebrated the occasion.
The Duchess of Cambridge snapped Camilla's photo for the cover of 'Country Life' magazine.
The royal will celebrate her 75th birthday later this month.
The meeting came in early June when Harry and Meghan returned to the U.K. for Queen Elizabeth's Platinum Jubilee celebrations.
The Duchess of Cornwall is opening up about her relationship with the Prince of Wales.
She now becomes the patron of the National Theatre.
The 74-year-old royal tested positive last month and had returned to her royal duties.
Emerald played Camilla, Duchess of Cornwall on seasons 3 and 4 of 'The Crown.'
Buckingham Palace says despite the news, the queen will still continue with light duties.
Clarence House confirmed the royal's diagnosis.
The pop star met the royals at the 'No Time to Die' premiere earlier this month.
The 'No Time to Die' star recently spoke with the royals at the world premiere of the James Bond film.
Queen Elizabeth II's husband has been hospitalized since Feb. 16.
The 38-year-old royal voiced his support for a formal investigation into the BBC over a controversial interview with his mom.
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