Prince William. “To the most incredible wife and mother. The strength you’ve shown over the last year has been remarkable. George, Charlotte, Louis and I are so proud of you. Happy Birthday, Catherine ...

The prince issued rare written words expressing his love for the princess on the day she turned 43 after her cancer diagnosis ...

In a break with palace tradition, Prince William wrote a personal, heartfelt message in honor of Kate Middleton's 43rd birthday alongside a new photo of the princess.