Prince Harry and Meghan Markle led the Prince Charles birthday messages Thursday.

The Duke and Duchess of Sussex shared an adorable pic of Harry with Charles, who turned 71, and baby Archie on Instagram, wishing “Grandpa” a very happy birthday.

Prince William and Kate Middleton also posted a pic of Prince Louis and two more snaps of Charles with his two sons.

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Charles’ parents, Queen Elizabeth and Prince Philip, had another cute shot of Philip holding up a baby Charles.

The Prince of Wales’ brother Andrew, 59, then posted a cute childhood shot of him as a baby being cuddled by his older sibling.

Katy Perry was among those sending their well-wishes, with the singer sharing a photo of herself with the royal at a British Asian Trust event.

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Prince Charles Makes A Good Point