Katy Perry opened up to ET backstage at 'American Idol' about the adorable pianist's performance.
The singer and 'Idol' judge revealed to ET that the adorable pianist was kind of sweet on her.
The 'Idol' judges opened up to ET after Sunday's live show and dished on Perry's jaw-dropping 'Little Mermaid' ensemble.
The pop diva was blown away by 'Idol' hopeful Alyssa Raghu's rendition of 'The One That Got Away.'
The hard-working host made 'Idol' history by taking the day off, and Katy Perry joked it's proof that he's 'human after all.'
Katy Perry, Lionel Richie and Luke Bryan hula on the beach with the top 40 finalists in ET's first look!
The judge had some wild, fun, emotional moments during the first night of 'Hollywood Week.'
The pop icon could hardly contain her crush on a 22-year-old singer who came out for this season's auditions.
Contestant Jorgie sings Katy Perry's 'California Gurls' on the final audition episode, airing Monday, March 18 at 8 p.m. ET/PT on ABC.
See the judges' reactions to this stunning audition!
Luke Bryan also bonded with a young contestant who tragically lost both of his brothers.
The 'Firework' singer got engaged to Bloom on Valentine's Day.
ET caught up with the singer backstage at the 52nd CMA Awards where he shared how happy he was for fellow 'Idol' judge, Luke Bryan.
The 'Dark Horse' singer's birthday requests are simple.
