Kate Middleton's 43rd birthday portrait was taken by Matt Porteous in Windsor Castle last summer. She is spending the day with Prince George, Princess Charlotte and Prince Louis.

Princess Kate celebrates her 43rd birthday on Thursday, and the mum-of-three is feeling very positive about the year ahead as ...

Prince Willaim is set to make Kate Middleton’s 43rd birthday “memorable” according to royal experts. The future King and ...

Kate Middleton is reportedly "the glue" that holds Prince William and King Charles together. Charles is also very fond of ...

Princess Kate is celebrating her 43rd birthday, her first since completing a challenging health battle with preventative ...

After a challenging year, Prince William has shared a moving tribute to his wife, Kate Middleton, on her 43rd birthday ...

The Prince of Wales wrote that he and the couple’s three kids — Prince George, Princess Charlotte and Prince Louis — “are so ...

The Prince of Wales has publicly praised the Princess of Wales on her 43rd birthday as the "most incredible wife and mother", ...

On Jan. 9, Kate Middleton celebrated her 43rd birthday. Her husband, Prince William, publicly acknowledged the special day on ...

Prince William is excited to celebrate wife Kate Middleton’s first cancer-free birthday. Ahead of the celebrations, the Prince of Wales has made a special request to King Charles.

Meghan Markle and Prince Harry's silence on Kate Middleton's milestone birthday has sparked renewed speculation about the ...

Prince William made rare personal comments about his wife Kate Middleton in honor of her 43rd birthday. See the sweet tribute ...