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

Prince William and Princess Kate will be facing a big change near Kensington Palace in Autumn this year – and it may impact their three children Prince George, Princess Charlotte and Prince Louis

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.

The Prince of Wales, 42, went to Monaco on the south coast of France on Tuesday to watch his beloved Aston Villa play in the UEFA Champions League against AS Monaco. His solo appearance at the game comes after his wife Kate Middleton announced that she is in "remission" from cancer on Jan. 14.

The Prince of Wales made a surprise appearance in Monaco on Tuesday, where he was spotted watching Aston Villa play in the Champions League with one of his closest friends and Princess Charlotte's godfather,