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

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.

Prince William and Kate Middleton have a new look their relationship especially after having a tough last year for their family.The Princess of Wales, who underwent a nine-month cancer battle

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.

A palace source tells People that the couple is "more open" now following Kate's battle with cancer, adding that the Prince and Princess of Wales "talk about their relationship to

Kate Middleton did a surprise visit at the Royal Marsden Hospital, which she is a patron of now and a royal commentator compared her recent actions to Princess Diana