Watch The American Idol Audience ​Boo Katy Perry

Katy Perry channeled her inner Disney supermom powers for Sunday’s special themed episode of “American Idol”.

Katy Perry's days on "American Idol" could be numbered, if fans of the show get their wish. Last weekend, Perry, along with Lionel Richie, skipped out on judging duties to attend King Charles' coronation and perform at the celebration the following day. She was temporarily replaced by another singer, Alanis Morisette, and several viewers feel like the change should become permanent.

“the one that got away” — if “American Idol” fans have their way.Viewers are campaigning on social media to permanently remove Katy Perry as a judge after she was temporarily replaced this week by the Canadian songstress to mentor the show’s Top 8. Morissette, 48, filled in for Perry, 38, while she and co-judge Lionel Richie, 73 — who was replaced by Ed Sheeran — performed at the coronation concert held in honor of King Charles III.Perry’s hiatus from the show came as several fans slammed the “TGIF” singer for her rude on-stage behavior.Several viewers of “Idol” seemed to breathe a sigh of relief during the “Dark Horse” singer’s two-episode absence.

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!

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.

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].

Katy Perry and Lionel Richie weren’t able to be on American Idol in person for this weekend’s show, however, they still make an appearance with two special guests – King Charles III and Queen Camilla!

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.

 saw a newly crowned King Charles III and Queen Camilla give a royal surprise to audiences from across the pond with judges Katy Perry and Lionel Richie.Charles and Camila's surprise appearance on the long-running singing competition series came at the start of Sunday's show and just hours after both Perry and Richie performed at the king's coronation concert at Windsor Castle.Perry and Richie, who were broadcasting live from the castle for their address, were met by the new monarchs who jokingly asked how long they were planning to use the room for.Jokes aside, both Charles and Camilla thanked the singers for their «brilliant» performances and invited Perry and Richie to the concert's afterparty as soon as they wrap up their Idol duties.The coronation concert proved to be an exciting one for the judges, with Richie getting Charles up on his feet with his hits, «Easy (Like Sunday Morning)» and «All Night Long,» and Perry moving Princess Charlotte to sing along to «Roar,» before having the entire audience feeling like a «Firework.»Ahead of the special concert, Perry dished to ET about the opportunity to have a part to play in the festivities. «I'm grateful I get to go. I met His Majesty-to-be a few years ago and he named me as one of the ambassadors to his organization, The British Asian Trust, which is an organization that helps fight to end child trafficking,» Perry told ET last month. «So I'm also an ambassador for UNICEF, and it really aligned with my values.

Katy Perry and Lionel Richie were absent from American Idol this week as they traveled to the U.K. to perform at the historic coronation of King Charles III.

Is Katy Perry doing her best to ignore the American Idol critics???

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.

Katy Perry and Lionel Richie are briefly heading abroad.

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.

in a viral Reddit thread after telling contestant Michael Williams that he might be going home following his performance of Selena Gomez’s “Lose You to Love Me.” “You sang ‘Lose You to Love Me,'” said the host. “We might lose you tonight.” The comment sparked an immediate backlash against the TV personality and mogul. “‘We might lose you tonight’ was so nasty omg,” commented one Reddit user.

Katy Perry and Luke Bryan were criticized by "American Idol" viewers after they chose to encourage people to vote rather than give a contestant feedback after a performance. Instead of responding to We Ani's performance of "Skyfall," Perry and Bryan apparently emphasized that America should be voting for their favorites, which led some viewers to call the judges out for being "rude." "Normally, nothing Katy Perry says bothers me as she's just known for her sense of humor and quips. Bit [sic] her dissing of We Ani? THAT was just rude," one user wrote on Twitter.

Katy Perry has a very busy schedule. The 38-year-old singer is slated to perform at the concert for King Charles III's coronation on Sunday, May 7 on the grounds of Windsor Castle in England.That same day, Perry will also have to judge the live show of, airing at 8 p.m. ET, leaving many fans to wonder how she'll juggle them both.«You'll just have to tune in and wait and see.

performed a haunting version of Adele’s “Skyfall” and survived elimination, but rather than giving Ani feedback during her time, Perry complained about voting results. “Wé, oh my god,” Perry said. “I’m just so shook right now.