After a challenging year, Prince William has shared a moving tribute to his wife, Kate Middleton, on her 43rd birthday describing her as “the most incredible wife and mother,” alongside a new portrait.

The Princess of Wales, Kate Middleton, celebrates her 43rd birthday today. In honor of the big day, she's breaking tradition with how she celebrates. But regardless of how's she's spending the occasion,

Catherine, Princess of Wales, turns 43 on Jan. 9 and received a sweet message from her husband, Prince William.