Prince William has praised Catherine, Princess of Wales as the "most incredible wife and mother" in a rare personal message on her 43rd birthday.

Catherine, Princess of Wales, turned 43 on Thursday, with her husband Prince William praising her "strength" fighting cancer during the past year. Kate, as she is widely known, revealed last March that she had been diagnosed with an unspecified cancer and was undergoing chemotherapy.

Bigger than the shift in how Kate will approach the logistics of her schedule, however, is the shift in the Wales' priorities going forward—and how they'll approach their dual roles as working royals and devoted parents to their three children, Prince George, 11, Princess Charlotte, 9, and Prince Louis, 6.

Kate Middleton is 43! The Princess of Wales is celebrating her birthday surrounded by those nearest and dearest to her on Thursday, The Post can reveal. While Princess Catherine has spent much of her time at Sandringham Estate in Norfolk,