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.

After a challenging year, Prince William has shared a moving tribute to his wife, Kate Middleton, on her 43rd birthday describing her as “the most incredible wife and mother,” alongside a new portrait.

Prince William showered his wife, Kate Middleton, with adoration in an emotional birthday tribute on Thursday (January 9), sharing a never-before-seen photo of the beloved royal. The Prince of Wales took to Instagram to let the world know how inspired he is by Middleton's strength,

Prince William penned a touching note to “incredible” Kate Middleton Thursday to celebrate her 43rd birthday, her first after finishing chemotherapy. The couple released Matt Porteous’ stunning black-and-white portrait of the Princess of Wales on their official Instagram account,

Kate Middleton is celebrating her 43rd birthday on Jan. 9 and it feels like a big one. While it isn’t a milestone year, it is a milestone day for her after her battle with cancer in 2024. Prince William decided to honor his wife on Instagram with a surprisingly mushy post — and we love it!

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.

Catherine, Princess of Wales, turns 43 on Jan. 9 and received a sweet message from her husband, Prince William.

While Kate Middleton has since returned to the spotlight, Prince William was the face of their family in public and his wife's No. 1 champion at home while she underwent chemotherapy.