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.

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

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

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.

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

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 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.

Kate Middleton, who is celebrating her 43rd birthday on Jan. 9, has proven herself to be the shiniest jewel of the British monarchy. The princess is married to Prince William, heir to the throne.

The Prince of Wales wrote that he and the couple’s three kids — Prince George, Princess Charlotte and Prince Louis — “are so proud” of Middleton.

King Charles and Queen Camilla are leading the way in wishing Kate Middleton a happy birthday. The Princess of Wales turned 43 on Thursday, Jan. 9, and the King, 76, and Queen, 77, were among the first to issue wishes by sharing an image of Kate wearing green as she joined them for the royal family's traditional outing to church on Christmas Day at St.