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.

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.

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.

While celebrating Middleton's strength over the past year in his birthday tribute to his wife, William said that he, along with the couple's three children, Prince George, Princess Charlotte and Prince Louis, are "so proud" of what she's been able to overcome.

Alec Baldwin and Hilaria Baldwin met in 2011 at a New York City restaurant and married in June 2012; the couple share seven children

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

Kate Middleton's 43rd birthday portrait was taken by Matt Porteous in Windsor Castle last summer. She is spending the day with Prince George, Princess Charlotte and Prince Louis.