Ryan Seacrest and Luke Bryan chat with ET after 'American Idol's live taping about Katy Perry going viral at the king's coronation.
Princess Charlotte joined her parents, Kate Middleton and Prince William, at King Charles' coronation concert on Sunday.
Body language expert Darren Stanton analyzed the royal family's big day for ET.
Buckingham Palace has released the first official portrait of King Charles III.
Prince Harry stayed in the background during the coronation for his dad, King Charles III, but his facial expressions stole the show.
The 'Idol' host opened up to ET on Sunday about the unexpected royal appearance.
Ryan Seacrest chats with ET's Denny Directo after 'American Idol's live show on Sunday, which aired on ABC.
King Charles celebrates his coronation with a star-studded concert, including performances from Katy Perry, Lionel Richie and more.
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.
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.
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