The Sussexes, Cambridges and Charles and Camilla have all released new Christmas card images for 2019.
People are saying he looks just like elder brother, Prince George.
The one-year-old wants to "come everywhere" with his mother.
The reason is one many parents will relate to.
Duchess Kate, 37, was pictured, together with Prince George, 6, and Princess Charlotte, 4, by a supermarket customer at the checkout.