Watch Katy Perry perform at King Charles’ coronation concert

King Charles’ Coronation has been hit with more than 8,000 Ofcom complaints by fuming TV viewers. Coverage of the momentous occasion was broadcast on Saturday 6 May - with millions of Royal fans tuning in to watch the King and Queen Camilla being officially crowned at Westminster Abbey.

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!

Lionel Richie and Nicole Scherzinger are putting on a fabulous show!

King Charles and Queen Camilla's Coronation concert yesterday evening was a star-studded occasion filled with incredible performances and comical appearances from The Muppets iconic characters.

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.

Zoe Ball has tweeted her upset at missing out on the Coronation Concert this evening because of a sickness bug. The star was due to attend the bash to celebrate our new King and Queen for Radio 2, with Dermot O'Leary and Scott Mills now representing the station. "absolutely gutted… the sickness bug has got me," she penned on social media this morning.

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.

Prince Louis of Wales made quite the impression at his grandfather, King Charles III‘s Coronation over the weekend.

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.

Audiences at home watching the Coronation Concert were left saying the same thing after watching Nicole Scherzinger's vocal performance in front of the new King and Queen.

Prince William and Kate Middleton's kids are ready to party! On Sunday, Prince George and Princess Charlotte joined their parents and grandparents, King Charles III and Queen Camilla, at Windsor Castle for the coronation concert. George, 9, and Charlotte, 8, sat next to their parents and in the same row as their grandparents for the show.In a sweet moment, as the king and queen arrived, Charlotte joined her mother as they curtsied to the king and queen as they took their seats.Not in attendance for the show was Prince Louis, 5.

King Charles III and Queen Camilla have arrived.

King Charles III and Queen Camilla have arrived.On Sunday, the newly-crowned royals got a royal welcome as the trumpets sounded from the stage and they were spotted arriving at their seats inside the grounds of Windsor Castle.Charles and Camilla — who arrived earlier than expected — were greeted with cheers and applause from the over 20,000 attendees inside the venue.As they made their way, Kate Middleton and Princess Charlotte curtsied as a sign of respect. Also joining them in the box were Prince William and Prince George, as well as other immediate members of the family.The royals had mini Union Jack flags to wave as they took in the show.Sunday's coronation concert is shaping up to be a big event.

Prince William and Kate Middleton left Coronation Concert-goers shocked after they arrived to greet them on The Long Walk. For the surprise walkabout, the Princess of Wales donned a light blue blazer, which she wore over a casual white T-shirt.

The King's lavish Coronation service yesterday will be followed by a concert tonight, Sunday, May 7. The show will take place in front of around 20,000 at Windsor Castle and will be attended by the newly-crowned King and Queen.

Zoe Ball has tweeted her upset at missing out on the Coronation Concert this evening because of a sickness bug.The star was due to attend the bash to celebrate our new King and Queen for Radio 2, with Dermot O'Leary and Scott Mills now representing the station. "absolutely gutted… the sickness bug has got me," she penned on social media this morning.

Stella McCartney will deliver a spoken word performance with a conservation theme at the Coronation Concert to celebrate the crowning of the King and Queen.The speech by the fashion designer, who has championed a vegan lifestyle and sustainable design throughout her career, will reflect her and the King’s “shared passion for environmental sustainability”, the BBC has said. Stella, who is the daughter of former Beatle Sir Paul McCartney and his late wife photographer Linda, was made a CBE earlier this year for her services to fashion and sustainability.