Even though the Duchess of Cambridge is spending her 39th birthday in lockdown, we're sure Prince William, George, Charlotte and Louis will make sure it's a day to remember.
She's had some lovely celebrations over the years, from nights out clubbing with her sister, Pippa, to family get togethers with the Middletons.
But her 27th birthday was one that probably doesn't bring back the best memories, as she was forced to say an emotional goodbye to Wills after he made a decision that left her "crushed".
The couple had already been together for years, after meeting at St Andrew's when they were 19, however Kate's dream of a royal engagement still hadn't happened.
Read more on mirror.co.uk