Prince William and Princess Kate have reached 1.5million likes on their latest Instagram post, marking Catherine's 43rd birthday on January 9. The Black and White photo of the Princess of Wales is the most liked upload from the royals since Kate's emotional three-minute video where she announced she had completed her preventative chemotherapy

Catherine, Princess of Wales, turned 43 with her husband Prince William praising her "strength" fighting cancer during the past year.

Find out how one of Prince William and Kate's former aides thinks the princess will celebrate her birthday and who she'll be with.

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.

The Prince of Wales issued a heartfelt message paying tribute to his ‘incredible wife, the Princess of Wales, on her birthday. Kate is celebrating her 43rd milestone at home in Windsor with her family, after a challenging past 12 months which saw her undergo abdominal surgery, be diagnosed with cancer and face chemotherapy treatment.

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

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

Kate Middleton is celebrating her 43rd birthday by putting herself first. Less than one year after revealing her cancer diagnosis, the Princess of Wales is finding the balance between her health and work.

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,