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.

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.

Kate Middleton is moving "forward with positivity and hope" with her life in remission from cancer, an insider tells PEOPLE in this week's exclusive cover story.

As Kate Middleton recovers from cancer, the Princess of Wales has reportedly become 'closer' and improved her relationship with her husband Prince William, according to People magazine sources.The royal couple are "more open" and "talk about their relationship together,

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