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

The Princess of Wales said her cancer diagnosis came as a "huge shock." Kate Middleton and Prince William share three kids: George, Charlotte and Louis.

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.