King Charles and Queen Camilla are wishing Kate Middleton a happy birthday! See the royal couple's tribute as the Princess of Wales turns 43.

Prince William praised the strength of the Princess of Wales after a turbulent year, offering a 43rd birthday wish on social media that described her as an incredible wife and mother.

The Prince of Wales has wished his wife, Catherine, a happy birthday as she turns 43. "To the most incredible wife and mother. The strength you've shown over the last year has been remarkable," William wrote in a message posted on social media.

Princess Kate has been wished a very happy birthday by King Charles and Queen Camilla. Taking to social media, the couple's official social media account wrote "Happy Birthday to The Princess of Wales!" alongside a cake emoji. A picture of the princess from the recent Christmas walkabout was shared alongside the message.

The Prince of Wales has paid tribute to his wife on her 43rd birthday, calling her the “most incredible wife and mother” whose strength this year has been “remarkable...

Princess Kate is celebrating her 43rd birthday. Her husband, Prince William, honored the "most incredible wife and mother" in a new post.

Prince William is celebrating Kate Middleton on her 43rd birthday. In a break with palace tradition, the Prince of Wales wrote a personal, heartfelt message in honor of his wife's special day alongside a new photo of the princess on Instagram.