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.

Kate Middleton, known worldwide as the Princess of Wales, endured arguably the most turbulent year of her life in 2024. Amidst growing concern over her health and well-being, Kate

Prince William traveled to Monaco in the south of France solo on Jan. 21 to watch his beloved soccer team Aston Villa take on AS Monaco in the UEFA Champions League.

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

It was a royal treat. On January 10, Prince Harry and Meghan Markle made an unannounced visit to the Pasadena Convention Center, where displaced Californians were sheltering from devastating wildfires.

Kate Middleton and Prince William met while studying at St Andrews University and returned to the institution in 2005 for their joint graduation ceremony

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.

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

In another sign of the progress she's making in her recovery following her cancer treatment, Kate Middleton apparently felt well enough after the holidays for one of her longtime favorite activities: Skiing.