After Queen Elizabeth's death and King Charles's ascension, the Royal Family is undergoing major changes.
The Prince and Princess of Wales are receiving updates in their military roles.
Camilla and Kate are also stepping up to new positions.
Prince William will represent a new regiment of the Foot Guards.
The Trooping the Colour parade will take place on June 17, and several exciting appointments have been made.
Camilla has been chosen to take over Prince Andrew's former role of the Colonel of the Grenadier Guards.
The Princess of Wales has become the new Colonel of the Irish Guards, replacing Prince William.
Trooping the Colour, the monarch's official birthday ceremony, involves 1,400 soldiers, 200 horses, and 400 musicians.
Trooping the Colour will be the next major ceremonial event after King Charles' Coronation on May 6.