Happy Birthday to Kate Middleton. The Princess of Wales officially turned 43 on Thursday, January 9 and the love is pouring in from all directions—including some sweet shoutouts from her royal in-laws.

Kate Middleton, who is celebrating her 43rd birthday on Jan. 9, has proven herself to be the shiniest jewel of the British monarchy. The princess is married to Prince William, heir to the throne.

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.

Kate, the Princess of Wales, turns 43 on Thursday, capping what was a tumultuous year for the mother of three and wife of Prince William. Kate, who was born Jan. 9, 1982, is expected to spend her birthday privately with William and their kids -- Princes George and Louis and Princess Charlotte -- at home in Windsor, England.

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

Britain's Kate Middleton, the Princess of Wales, who is married to Prince William, is turning 43 on. Here's a look back at her royal life through the years.

James Middleton has kicked off 2025 with a family ski holiday, sharing heartwarming photos of his adventures in the mountains with wife Alizee and their 16-month-old son Inigo. The family was captured in several scenic shots at their undisclosed mountain location,

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.