Catherine, Princess of Wales, revealed last March that she had been diagnosed with an unspecified cancer and was undergoing chemotherapy.

Prince William pays tribute to ‘incredible wife’ Kate Middleton as princess turns 43 - Princess celebrating birthday at home after a challenging past 12 months

The Prince of Wales posted a birthday message for his wife, Catherine, Princess of Wales to social media on Thursday to celebrate her 43rd birthday.

Prince William praised the strength of the Princess of Wales after a turbulent year, offering a 43rd birthday wish on social media that described her as an incredible wife and mother.

Prince Harry's former patronage has sent a birthday message to the Princess of Wales. Princess Kate is celebrating her 43rd birthday today, her first since completing preventative chemotherapy treatment.

The Prince of Wales shared a new picture and described his wife as 'remarkable' in a touching birthday tribute on Instagram.

Express.co.uk readers react to whether they think Prince Harry and Meghan Markle should send the Princess of Wales a public birthday message today.

The royal family has wished the Princess of Wales a happy 43rd birthday. Future queen Kate is celebrating at home in Windsor, with the Prince of Wales and Prince George, Princess Charlotte, and Prince Louis.

The Princess of Wales is celebrating at home in Windsor with the Prince of Wales, with Prince George, Princess Charlotte and Prince Louis spending the day at school before a family celebration in the evening.

Kate Middleton, who is celebrating her 43rd birthday on Jan. 9, has proven herself to be the shiniest jewel of the British monarchy. The princess is married to Prince William, heir to the throne.

Royals expert Neil Sean gives insight into what to expect from the royal family in 2025, sharing the good and bad coming their way.