Katy Perry returns to her old look in black wig on American Idol 

Katy Perry has returned to her old look as she sported her familiar dark locks on the latest episode of American Idol. 

The singer, 36, looked sensational as she ditched her current platinum blonde tresses in favour of a black wig for some of the episode.

The judge showcased her sense of style for the show as she donned a figure-hugging black midi dress with a scooped neckline and a jewel print.

Stunning: Katy Perry has returned to her old look as she sported her familiar dark locks on the latest episode of American Idol

Wearing a light pallet of makeup, Katy completed her look with a pair of eye-catching jewel earrings.

The hitmaker took to Instagram and shared a further glimpse at her look, writing: ‘We’re all about finding the diamonds in the rough. 

‘One GEM from last season is getting polished up for tonights comeback episode of American Idol.’

Katy consoled weeping contestant Hunter Metts after he forgot the lyrics to a song during Sunday’s Oscars episode.

New look: The singer, 36, looked sensational as she ditched her current platinum blonde tresses in favour of a black wigNew look: The singer, 36, looked sensational as she ditched her current platinum blonde tresses in favour of a black wig

New look: The singer, 36, looked sensational as she ditched her current platinum blonde tresses in favour of a black wig

She watched in dismay as Hunter, a 22-year-old software developer from Franklin, Tennessee, flubbed a line of the Oscar-winning song Falling Slowly from 2006’s Once.

The nervous contestant, who’d practiced in front of a bank of mirrors to try to get his confidence up before the show, descended into a flood of tears.

He was so overcome by his brief mistake that he turned away from the crowd in disappointment and shook his head as the show’s live audience gave him a standing ovation.

‘I’m so sorry,’ Hunter cried, his face red with embarrassment.

Beauty: The judge showcased her sense of style for the show as she donned a figure-hugging black dress with a scooped neckline and a jewel print

Beauty: The judge showcased her sense of style for the show as she donned a figure-hugging black dress with a scooped neckline and a jewel print

Looking good: Wearing a light pallet of makeup, Katy completed her look with a pair of eye-catching jewel earrings

Looking good: Wearing a light pallet of makeup, Katy completed her look with a pair of eye-catching jewel earrings 

Panel: Katie was joined by Lionel Richie, Harry Connick Jr and Luke Bryan

Panel: Katie was joined by Lionel Richie, Harry Connick Jr and Luke Bryan 

Katy wrote on Instagram: 'One GEM from last season is getting polished up for tonights comeback episode of American Idol'

Katy wrote on Instagram: ‘One GEM from last season is getting polished up for tonights comeback episode of American Idol’ 

Katy yelled his name to try to get his attention and tell him it was okay.

‘Hunter!’ she called out. ‘That was the best performance you have ever given.’

The young man seemed unable to listen or calm down, so she continued.

‘No, no, no, no, no, no. Hunter, Hunter. Perfection is an illusion. It doesn’t matter. That shows that you are human. And vulnerable! And everybody relates to that. 

‘And it’s amazing. It’s emotion. That’s what music is. And I know this is a lot of pressure, but it’s not about perfection. It’s about resonating with people. And you just did,’ she told him.

Kindly, Katy added, ‘You were so connected that you forgot where you were, and this is perfect.’

Oscars episode: Hunter Metts sobbed uncontrollably after flubbing lyrics on Sunday during the Oscars episode of American Idol on ABC

Oscars episode: Hunter Metts sobbed uncontrollably after flubbing lyrics on Sunday during the Oscars episode of American Idol on ABC

Offering support: Katy yelled his name to get his attention and tell Hunter it was okay

Offering support: Katy yelled his name to get his attention and tell Hunter it was okay

Turned away: Hunter was so overcome by his brief mistake that he turned away from the crowd in disappointment and shook his head as the show's live audience gave him a standing ovation

Turned away: Hunter was so overcome by his brief mistake that he turned away from the crowd in disappointment and shook his head as the show’s live audience gave him a standing ovation

Tears flowing: The tears started flowing after Hunter forgot the lyrics at the end of the song

Tears flowing: The tears started flowing after Hunter forgot the lyrics at the end of the song

Perfection illusion: 'No, no, no, no, no, no. Hunter, Hunter. Perfection is an illusion. It doesn't matter. That shows that you are human. And vulnerable! And everybody relates to that,' Katy told him

Perfection illusion: ‘No, no, no, no, no, no. Hunter, Hunter. Perfection is an illusion. It doesn’t matter. That shows that you are human. And vulnerable! And everybody relates to that,’ Katy told him

Luke Bryan, 44, was back on the show after making an incredibly rapid recovery from coronavirus, which kept him from taping last week,

He told Hunter, ‘It was intense for me to watch you do that. It was a series of emotions and you took me on a crazy ride, man. 

‘And I don’t even know what happened at the end, but listen: I didn’t care. You did no wrong. You could do no wrong in that moment.’

Lionel Richie, 71, reminded Hunter that throughout his career, he’d had people say, ”Oh my God, Lionel. I was there the night you forgot the lyrics to Hello.” And the crowd loved it!’

Hello singer: Lionel, 71, reminded Hunter that throughout his career, he'd had people say, ''Oh my God, Lionel. I was there the night you forgot the lyrics to Hello.'' And the crowd loved it!'

Hello singer: Lionel, 71, reminded Hunter that throughout his career, he’d had people say, ”Oh my God, Lionel. I was there the night you forgot the lyrics to Hello.” And the crowd loved it!’

Asked by show host Ryan Seacrest, 46, what was going through his mind, Hunter said, ‘I just wish I didn’t mess up.’

Ryan pointed out that the song, by Glen Hansard and Marketa Irglova, was emotional, especially as Hunter’s girlfriend was cheering him on from home.

Looking at the screen, Ryan spotted recent Idol contestant Graham DeFranco, 27, from Rockwell, Texas, side-by-side with Hunter’s family, which put Hunter in a much better mood.

Tough time: Asked by show host Ryan Seacrest, 46, what was going through his mind, Hunter said, 'I just wish I didn't mess up'

Tough time: Asked by show host Ryan Seacrest, 46, what was going through his mind, Hunter said, ‘I just wish I didn’t mess up’

It was a challenging night for all 12 of the remaining Idol contestants, who felt the pressure of singing Oscar-nominated songs as live viewer voting whittled them down to the Top Nine.

Those who stayed learned that they had won a trip to Disneyland in Orlando, Florida.

Hunter made it through, and wept again as he left the stage at show’s end.

Emotional episode: Hunter made it through, and wept again as he left the stage at show's end

Emotional episode: Hunter made it through, and wept again as he left the stage at show’s end

Show mentor: Bobby Bones helped the singers before their performances

Show mentor: Bobby Bones helped the singers before their performances

High-schooler Ava August, 15, from Laguna Niguel, California, did not advance, after a possibly too-mature performance of City Of Stars from 2016’s La La Land.

Also going home was hair model Madison Watkins, 26, from Fayetteville, Arkansas, who pulled out the stops on Whitney Houston’s Run To You from 1992’s The Bodyguard.

Wedding singer Beane, 23, from Brighton, Massachusetts, left after his jaunty rendition of Jennifer Warnes and Bill Medley’s (I’ve Had) The Time Of My Life, from 1987’s Dirty Dancing.

Youngest competitor: High-schooler Ava August, 15, from Laguna Niguel, California, did not advance, after a possibly too-mature performance of City Of Stars from 2016's La La Land

Youngest competitor: High-schooler Ava August, 15, from Laguna Niguel, California, did not advance, after a possibly too-mature performance of City Of Stars from 2016’s La La Land

Big song: Also going home was hair model Madison Watkins, 26, from Fayetteville, Arkansas, who pulled out the stops on Whitney Houston's Run To You from 1992's The Bodyguard

Big song: Also going home was hair model Madison Watkins, 26, from Fayetteville, Arkansas, who pulled out the stops on Whitney Houston’s Run To You from 1992’s The Bodyguard

Jaunty version: Wedding singer Beane, 23, from Brighton, Massachusetts, left after his jaunty rendition of Jennifer Warnes and Bill Medley's (I've Had) The Time Of My Life, from 1987's Dirty Dancing

Jaunty version: Wedding singer Beane, 23, from Brighton, Massachusetts, left after his jaunty rendition of Jennifer Warnes and Bill Medley’s (I’ve Had) The Time Of My Life, from 1987’s Dirty Dancing

Lionel opened the show singing Say You Say Me, his Oscar-winning song from the 1985 film White Nights.

He and his fellow judges then entered the room on a floor lit red to resemble a red carpet.

The first contestant to sing was Grace Kinstler, 20, a college student from Lakewood, Illinois, who unveiled a sexy, spirited cover of Pharrell Williams’ Happy, from 2013’s Despicable Me 2.

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