Buckingham Palace has released the first official portrait of King Charles III.
The 'Idol' host opened up to ET on Sunday about the unexpected royal appearance.
The celebrated singer is opening up about performing at the star-studded and history event.
Cruise had a special message for the new king during his coronation concert Sunday.
The pair's appearance on the show comes after 'Idol' judges Katy Perry and Lionel Richie performed at the coronation concert Sunday.
Luke Bryan is joined by guest judges Ed Sheeran and Alanis Morissette.
The newly crowned monarch toasted Prince Harry and Meghan Markle's son.
The Duchess of Sussex enjoyed some nice California weather amid King Charles III's royal festivities.
The singer was one of the guest performers during the official coronation concert on Sunday.
Richie was one of the many performers to take the stage in celebration of Charles' newly minted role.
Kate Middleton and Prince William were joined by their two oldest children during the coronation event.
Sunday's concert will feature performances by Katy Perry, Lionel Richie and more.
William and Kate witnessed Charles officially be crowned the king of England.
The little prince had quite the time while on the balcony after the king's coronation.
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