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

Kate, the Princess of Wales, turns 43 on Thursday, capping what was a tumultuous year for the mother of three and wife of ...

Kate Middleton's 43rd birthday portrait was taken by Matt Porteous in Windsor Castle last summer. She is spending the day ...

Happy Birthday to Kate Middleton. The Princess of Wales officially turned 43 on Thursday, January 9 and the love is pouring ...

Kate Middleton is celebrating her 43rd birthday by putting herself first. Less than one year after revealing her cancer ...

Happy birthday, Kate Middleton! Inside the Princess of Wales' plans with Prince William, Prince George, Princess Charlotte ...

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

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

Christopher Furlong/Getty Images Princess Kate Middleton was fully thrust into the spotlight when she and Prince William ...

Kate Middleton, who is celebrating her 43rd birthday on Jan. 9, has proven herself to be the shiniest jewel of the British ...

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

Prince William celebrated wife Kate Middleton’s 43rd birthday with a touching tribute heralding her ‘strength’ over ‘the last ...