Taking to Instagram, the Duchess of Cambridge also penned a sweet note on behalf of the children, expressing their love for the future King of Britain on his special day.
The photo captured Prince William joyfully leaping in the air hand-in-hand with his three children. The caption read, “Happy birthday Papa, we all love you so much! ❤️x”
Royal fans and followers quickly filled the comment section with warm wishes for Prince William and admiration for the touching family moment.
"Possibly the best picture I’ve seen of the family," noted one fan, while another added, "This picture is beyond amazing. The joy in all of their faces. Happy Birthday Prince William."
Another royal enthusiast exclaimed, "BEST ROYAL PHOTO EVER," while royal commentator Kinsey Schefield commented, "We are not worthy! ❤️❤️❤️"
"Wishing you all the best!" wrote one fan, acknowledging the challenges the family has faced this year with Princess Kate and King Charles’ respective cancer diagnoses.
Commenting on the joy captured in the photo, another fan remarked, "One of the best family portraits ever. Captures all the joy, love, and laughter. Utterly brilliant @princeandprincessofwales."