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 sent a public message to the Duchess of Edinburgh. Sophie, who married Prince Edward in 1999, is celebrating her 60th birthday. The Prince and Princess of Wales posted on social media: "Wishing The Duchess of Edinburgh a very happy 60th birthday today!

The Prince and Princess of Wales have led tributes to celebrate the Duchess of Edinburgh’s milestone 60th birthday. Sophie, who joined the royal family more than 25 years ago upon her marriage to Prince Edward, marked the occasion privately on Monday at home with her husband, the Duke of Edinburgh.

Kate Middleton, who turns 43 on Jan. 9, 2025, shares Prince George, Princess Charlotte and Prince Louis with husband Prince William. See the royals' sweet family photos here.

The Princess of Wales celebrates her 43rd birthday today with her beloved family - but will she be left surprised by her relatives as she continues her recovery from cancer

Prince William send a loving and emotional message to Kate Middleton as the Princess of Wales turns 43 on January 9, and celebrates her first birthday cancer-free with her family a

Through what's been a challenging year for the royal family, Prince William and Princess Kate's relationship has taken center stage, and according to royal sources, they've only come out of 2024 stronger.

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.