2022's Trooping the Colour event revealed Prince George called Princess Kate "Momma".

2022's Trooping the Colour event during Queen Elizabeth II's Platinum Jubilee celebrations saw Prince George affectionately call his mother, Princess Kate, "Momma", according to lip reader Jeremy Freeman. The royal family uses endearing nicknames for one another as a way to communicate and ease family tensions. Prince George has also been nicknamed 'PG tips' by his mother, inspired by the British tea brand, due to their shared initials.