The darling 4-year-old royal will be attending Thomas's Battersea with her older brother.
Fatherhood clearly agrees with Prince Harry.
The day before, the Duchess of Cambridge gave the queen a tour of her garden at the Chelsea Flower Show.
Kate Middleton spent quality time with Queen Elizabeth and her husband, Prince William, on Monday.
The Duke and Duchess of Sussex are celebrating their one-year wedding anniversary.
George wore them during an Australian trip in 2016!
The mother of three was as elegant as ever in her casual clothing.
The royal siblings helped their mom gather moss, leaves and twigs for the RHS Back to Nature Garden.
Also, check out the treehouse the duchess helped build!
Queen Elizabeth II, Prince Philip and many other members of the royal family were also in attendance.
Ahead of her wedding anniversary, see how the former actress' style has evolved since becoming the Duchess of Sussex.
The CBS special, hosted by Gayle King, shines a new light on the Duke and Duchess of Sussex.
The CBS News special, 'Meghan and Harry Plus One,' airs Friday.
