When Kate Middleton celebrated her 43rd birthday on January 9, her husband Prince William wrote a tender message and shared it on the couple’s public Instagram account. According to royal expert Ingrid Seward of Majesty magazine, the display of affection was a sign that the couple has grown closer following Kate's cancer diagnosis in early 2024.

Kate Middleton and Prince William are "more open" and "talk about their relationship together" amid her cancer journey, a source tells PEOPLE.

Princess Kate and Prince William have shown unprecedented openness about their relationship following Catherine's cancer journey, according to sources close to the royal household. A source told People magazine that the Prince and Princess of Wales are "more open" now and "talk about their relationship together.

Prince William and Kate Middleton's relationship has evolved with them being "more open" with each other after

Earlier today, Prince William had an official royal engagement in London, in which he visited homelessness charity Centrepoint. Just hours after his public appearance, the Prince of Wales jetted off to Monaco where he was photographed watching his favorite soccer team, Aston Villa, compete in the UEFA Champions League.

A source close to the royal family commented on the pair's marriage following Middleton's latest health update.

Prince William and Princess Kate famously met and fell in love during their time at St Andrews University. And on the day of their joint graduation, the Vice Chancellor made a prophetic comment

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.

According to the Mail on Sunday, Kate celebrated the new year by taking a skiing vacation in the Alps. Kate was joined on the trip, which reportedly happens "just over two weeks ago," by her husband, Prince William, and their three children, Prince George, 11, Princess Charlotte, 9, and Prince Louis, 6.

Kate Middleton has said it's a 'relief' to now be in remission following her cancer diagnosis, with one source suggesting the Princess of Wales had been struggling

Kate Middleton announced her cancer diagnosis. Kate Middleton did not specify the type of cancer that she was diagnosed with and stayed away from the public eye for a significant period of time. In 2025,