The Princess of Wales was with her family on her special day. Catherine, who turn 43 on Thursday, Jan. 9, spent her birthday at home at Adelaide Cottage, Windsor with her husband, the Prince of Wales,

Since she became the Princess of Wales, Kate Middleton has worn playful pantsuits and a plethora of polka dots.

George, 11, Charlotte, 9, and Louis, 6, walked alongside their parents Prince William and Kate, the Princess of Wales, as members of Britain's royal family made their way into St. Mary Magdalene Church for their traditional Christmas Day service.

Happy Birthday, Princess Kate! Express.co.uk shares pictures of 11 of the royal's iconic moments over the years.

Princess Kate is celebrating her 43rd birthday. Her husband, Prince William, honored the "most incredible wife and mother" in a new post.

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

King Charles and Queen Camilla are leading the way in wishing Kate Middleton a happy birthday. The Princess of Wales turned 43 on Thursday, Jan. 9, and the King, 76, and Queen, 77, were among the first to issue wishes by sharing an image of Kate wearing green as she joined them for the royal family's traditional outing to church on Christmas Day at St.

Prince William is honoring his wife, Princess Catherine, on her 43rd birthday, calling her "the most incredible wife and mother."