The Prince of Wales told Princess Kate "George, Charlotte, Louis and I are so proud of you" in a heartfelt birthday message.

Prince William wished his wife a happy birthday today in a touching personal message after an extremely challenging year. The message, posted on Instagram and X, was shared alongside a new photograph of Kate taken by Matt Porteous in Windsor last summer.

Happy birthday Princess Kate! And happy new-royal-portrait-day to the rest of us. In honor of Kate Middleton ’ s 43rd birthday on January 9, Prince William shared a new black-and-white portrait of the Princess of Wales on the couple’s official Instagram, with a sweet message in the caption.