Katy Perry’s ‘American Idol’ Ups and Downs: Disney Night Wipeout, Mom-Shaming Comments and More

American Idol might be the last show we’d expect to share a synergy crossover with the coronation of the next British monarch, but here we are!

Viewers of "American Idol" were treated to a regal surprise Sunday evening in the form of two newly crowned royals while watching the latest live episode of the long-running competition show. Phoning in from across the pond and broadcasted on a big screen were judges Katy Perry and Lionel Richie, taking a night off from critiquing performances to give ones of their own. Both Perry and Richie were tapped to perform at King Charles' coronation concert.

King Charles III and Queen Camilla’s unexpected cameo during Sunday’s “American Idol” was almost as big a surprise for Ryan Seacrest as it was for everyone watching.

The King and Queen appeared on American Idol as surprise guests amid the coronation celebrations.

American Idol welcomed royalty onto the show on Sunday evening, with King Charles and Queen Camilla making a surprise appearance alongside Katy Perry and Lionel Richie. Judges Katy, 38, and Lionel, 73, appeared via video link on American Idol as they missed this week's show due to performing at the Coronation Concert in the UK, and chatted to host Ryan Seacrest about the historic celebrations taking place in London.

Katy Perry has revealed she spent the night in Windsor Castle ahead of delivering a spectacular performance at the King’s Coronation concert.The US singer, 38, gave electric renditions of her hit tracks 'Roar' and 'Firework' at the celebratory event held in the grounds of the castle on Sunday evening, dedicating the latter to the King in honour of the work they do together with the British Asian Trust and their Children’s Protection Fund. Dressed in a glistening, metallic-gold, voluminous ballgown which featured a train and matching sleeves, she made a dramatic entrance by walking out singing the opening lyrics to 'Roar' as a drone projection of a lion’s head graced the sky above her.The upbeat pop song was enjoyed by Princess Charlotte who could be seen singing along with the American pop star, next to her mother the Princess of Wales, who swayed along to the song.The performance was accompanied by a dazzling light display which lit up the audience and the sky.

King Charles III and Queen Camilla's unexpected cameo during Sunday's was almost as big a surprise for Ryan Seacrest as it was for everyone watching.Following Sunday's new episode of, Seacrest spoke with ET's Denny Directo, and explained how quickly the high-profile cameos came together.«I have to tell you, I was driving in and my phone rings and it's the executive producer and she says, 'Well, we've got some news,'» Seacrest shared. «I thought maybe something happened [with a contestant].

Michael Schneider Variety Editor at Large Lionel Richie and Katy Perry weren’t able to perform their normal tasks as judges on Sunday night’s “American Idol,” as they were across the pond performing for the coronation of King Charles III. So they brought back a souvenir for the show: The actual just-crowned King and Queen. King Charles III and Queen Camilla were surprise guests on “American Idol,” in a pre-taped package introduced at the start of the show by host Ryan Seacrest. The clip opens with Richie and Perry, in a room that appears to be inside Windsor Castle. Suddenly, in walks the King and Queen. “I just wanted to check, how much, how long you’ll be using this room for?” King Charles quipped to Richie. Charles then thanked Richie for attending and performing at the coronation. “Thank you so much for your brilliant performance and it was great,” he said.

With judges Katy Perry and Lionel Richie across the pond in England for the coronation of King Charles III, the ABC music competition show had to get creative.Though Richie and Perry appeared live from Windsor Castle for a brief cameo, the regular judges had some A-list substitutes on the panel this week.Ed Sheeran and Alanis Morissette stepped in to help out regular judge Luke Bryan as they offered commentary on the live shows for the Top 8. Sheeran also gave a special performance ahead of the release of his newly released album, . Perry and Richie performed for the official coronation concert for King Charles III on Sunday following Saturday's coronation ceremony at Westminster Abbey.Richie previously teased to ETs plans for including them in Sunday's episode.«We are going to be live from the castle as only we could do, which is fantastic.

American singer Katy Perry stunned the audience at the Coronation Concert with her performance - and her incredible gold dress.

Katy Perry is bringing the fireworks!

Katy Perry was a regal firework duringKing Charles III's coronation concert!On Sunday, the judge took the stage for a performance in honor of the new king at Windsor Castle. For her set, Perry performed her hits, «Roar» and «Firework.»Starting things off the castle's steps, Perry was shined bright as ever in a big gold ballgown as she made her way to center stage.The royal family got in on the fun, with  Prince William and Kate Middleton's daughter, Princess Charlotte adorably singing along. Before singing «Firework,» Perry addressed the crowd and thanked the newly crowned king and queen for allowing her to be there but also for the work she's been able to do on behalf of the crown via the British Asian Trust and their children's protection fund.«Thank you for bringing out the firework in so many young people,» Perry said.Ahead of the special concert, Perry dished to ET about the opportunity to have a part in the festivities. «I'm grateful I get to go.

Katy Perry is going to miss out on the next episode of American Idol as she’s been “temporarily” replaced — and social media is in a frenzy from the news!

Lionel Richie and Katy Perry are still going to be involved in from across the pond! ET's Denny Directo spoke with the judges on Monday, and they revealed how they'll participate in the show when they're in the U.K. to perform at King Charles III's coronation concert.«We are going to be live from the castle as only we could do, which is fantastic. I mean, let's just talk about Cinderella,» Richie said.

The “Perfect” replacements! Ed Sheeran and Alanis Morissette will fill in for American Idol judges Katy Perry and Lionel Richie as they perform at King Charles III’s coronation.

waging “psychological warfare” on contestants.Don’t get your hopes up, haters: Perry and co-judge Lionel Richie are only out temporarily as they head to the UK to perform at the coronation for King Charles III. Sheeran, 32, and Morrissette, 48, were announced as the “big time” guest judges on Sunday’s episode of “Idol” and will join country star, Luke Bryan, as the competitors are whittled down to the top 5.

Thania Garcia Alanis Morissette and Ed Sheeran will join Luke Bryan as “American Idol” guest judges on May 7. The pair have been selected to take over for Katy Perry and Lionel Richie, who will be traveling overseas for their upcoming performances at King Charles III’s coronation. ABC revealed the switch on May 1, adding that Perry and Richie will still be checking into “Idol” with live updates from all the festivities at Windsor Castle. Morissette and Sheeran are scheduled to take over the show’s “616” episode, where America will cast their votes for the remaining top 5 contestants. This is the first “Idol” appearance for both of the guest judges, who will deliver performances of their own on the episode, with Morissette singing one of her many hits and Sheeran singing his new single, the ballad “Boat.”

Katy Perry will be temporarily replaced on ‘American Idol’ while she is in Britain for King Charles’ coronation. The ‘ET’ singer, 38, and fellow judge Lionel Richie, 73, are set to take to the stage at Windsor Castle in London on 7 May for the king’s coronation show, and a couple of “big time” stars are set to fill in for the pair. Their co-judge Luke Bryan, 46m told Entertainment Tonight about the stars who will fill the pair’s seats when they are away: “It’s big time.

has revealed who will be filling in for Katy Perry and Lionel Richie as they complete their coronation duties across the pond.Alanis Morissette and Ed Sheeran will serve as guest judges on Sunday, May 7, alongside Luke Bryan, while Perry and Richie fulfill their duties, ABC announced Monday.Morissette will be pulling double duty as she will also be a mentor to the remaining hopefuls, who will be performing her songs live on stage. The contestants will also perform duets of Sheeran's popular songs.Both are also slated to perform. Morissette will take the stage to perform one of her classics while Sheeran, who will be celebrating the release of his latest album, — (pronounced ), will perform his new single.

Katy Perry, 38, and Lionel Richie, 73, while they perform across the pond at King Charles III’s coronation.The royal ceremony itself takes place at Westminster Abbey on Saturday, May 6, and the related celebratory concert will take place a day later on the grounds of Windsor Castle. The top seven Season 21 “Idol” contestants also will perform on the ABC series on May 7.