Happy birthday Princess Kate! And happy new-royal-portrait-day to the rest of us. In honor of Kate Middleton ’ s 43rd birthday on January 9, Prince William shared a new black-and-white portrait of the Princess of Wales on the couple’s official Instagram, with a sweet message in the caption.

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, William, 42, paid tribute to Kate after a year in which she had a major operation, a cancer diagnosis and debilitating chemotherapy treatment.

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.

It's the Princess of Wales' birthday today and in a rare move, her husband has written a heartfelt message on social media

This week has been full of exciting royal family news. First, Kate Middleton returned to the same cancer center where she received treatment and revealed that she’s “in remission.” Then, she announced that she and her husband,

The Prince of Wales was announced as the patron of the College of Paramedics at his first outing of the year on Wednesday, Jan. 15

Prince William has sparked speculation following Kate's nod to Princess Diana. The Princess of Wales performed a solo engagement at the Royal Marsden Hospital on Tuesday, marking the occasion with a meaningful new addition to her jewellery collection.

Kate Middleton ditched her engagement ring for the Princess of Wales' first royal outing of 2025 — but there's nothing to worry about! Fans expressed concern over the state of Kate and her husband Prince William's marriage after she recently made an appearance at Royal Marsden Hospital in London without the shiny rock on her finger.