Today's a special day for fathers across the globe, however it's a double whammy for Prince William as he celebrates both Father's Day and his 38th birthday!

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To mark the special occasion, a new photo of the prince was yesterday shared on the Cambridges' official Instagram account: "The Duke and Duchess of Cambridge are very pleased to share a new picture of The Duke with Prince George, Princess Charlotte and Prince Louis ahead of The Duke’s birthday tomorrow."

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The photo, taken by talented photographer (and wife) Kate, is far from the stiff and regal birthday portraits one came to expect from the royals and highlights a more relaxed dynamic between the future king of England and his three adorable children!

Happy birthday & father's day Prince W!

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