Prince William Jumps for Joy on Beach Day with His Kids in Sweet 42nd Birthday Photo Taken by Kate Middleton

"Happy birthday Papa, we all love you so much!" the photo released on June 21 was captioned

<p>The Prince and Princess of Wales/Instagram</p> Prince William appears with his children Princess Charlotte, Prince Louis and Prince George in a new photo released for his 42nd birthday

The Prince and Princess of Wales/Instagram

Prince William appears with his children Princess Charlotte, Prince Louis and Prince George in a new photo released for his 42nd birthday

Prince William is turning 42!

On Friday, June 21, Kate Middleton led the birthday tributes to the Prince of Wales from her and their children, Prince George, 10, Princess Charlotte, 9, and Prince Louis, 6, with a sweet Instagram post.

Princess Kate, 42, shared an adorable photo of Prince William jumping in the air while on the beach with their children, with the four of them holding hands and pulling funny faces for the camera. The photo was taken last month by Kate in Norfolk, England, Kensington Palace confirmed.

"Happy birthday Papa, we all love you so much! Cx," the Princess of Wales captioned the post.

The royal couple regularly indicates that a social media message is directly from them by signing with their first initial. In addition to the "C" for "Catherine," this time there was an "x," likely representing a kiss!

Related: Prince William Poses with King Frederik of Denmark as the Countries Face Off in Soccer: 'May the Best Team Win'

King Charles also shared a birthday message to his heir on the royal family's Instagram Stories and X page. "Wishing The Prince of Wales a very happy birthday 🎉," a black-and-white photo of Charles, 75, holding William when he was a baby was captioned.

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The post comes after Prince George, Princess Charlotte, and Prince Louis sent their dad a special message to celebrate Father's Day on Sunday, June 16.

<p>Tim Graham Photo Library via Getty; The Royal Family/Instagram</p> King Charles with Prince William as a baby

Tim Graham Photo Library via Getty; The Royal Family/Instagram

King Charles with Prince William as a baby

Related: Prince George Catches Kate Middleton and Prince William Exchanging a Look of Love at Trooping the Colour

Prince William and his three children faced away from the camera in the sweet shot as they looked out to the ocean while on a beach.

"We love you, Papa. Happy Father’s Day 💕 G, C & L," read the caption, listing George, Charlotte and Louis' first initials, marking the first time a social media post had been signed by the royal siblings.

The image was also taken by Kate.

<p>The Prince and Princess of Wales/Instagram</p> Prince William appears with his children Princess Charlotte, Prince Louis and Prince George in a new photo released for his 42nd birthday

The Prince and Princess of Wales/Instagram

Prince William appears with his children Princess Charlotte, Prince Louis and Prince George in a new photo released for his 42nd birthday

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Prince William also marked Father's Day by sending wishes to King Charles with a touching photo from his past.

The throwback image on social media showed himself as a child, playing in the garden with his father.

In the photo, a young William wore a pair of blue overall and a blue and white striped T-shirt as he stood in a garden full of daisies near his father.

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