Kate Middleton, who turns 43 on Jan. 9, 2025, shares Prince George, Princess Charlotte and Prince Louis with husband Prince William. See the royals' sweet family photos here.

The Prince of Wales posted a birthday message for his wife, Catherine, Princess of Wales to social media on Thursday to celebrate her 43rd birthday.

Prince William wished his wife, Catherine, Princess of Wales, a happy 43rd birthday in a sweet message posted on X.

The Prince of Wales shared a new picture and described his wife as 'remarkable' in a touching birthday tribute on Instagram.

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.

William praised Kate for her "remarkable" strength in the post released on Thursday, Jan. 9 Prince William is celebrating his love and admiration for Kate Middleton as she marks her 43rd birthday. In a message posted to the couple's social media,

After a year of health challenges, Kate Middleton celebrated her 43rd birthday as Prince William praised her "remarkable strength" in a social media post. NBC’s Kelly Cobiella reports for TODAY.

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.