The songstress shared sadness at having to send a talented singer home.
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.
From the purple face paint to eating shrimp on stage all night, Katy Perry was truly committed during Sunday's 'American Idol.'
The 'Idol' judges opened up to ET after Sunday's live show and dished on Perry's jaw-dropping 'Little Mermaid' ensemble.
The 'Idol' judges also dished on Lionel Richie's off-script save.
ET spoke with the 'American Idol' judges after the Live performances on Monday about the group of talent.
The pressure was on for the remaining contestants as they vied for a coveted spot in the top 10.
The pop diva was blown away by 'Idol' hopeful Alyssa Raghu's rendition of 'The One That Got Away.'
Katy Perry experienced a wide range of emotions as the top 14 contestants took the stage on 'American Idol.'
The 'Chained to the Rhythm' singer is letting it all out!
Bobby Bones assumed hosting duties in Seacrest's absence, as the remaining contestants vied for a spot in the top 14.
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.'
ET was on set with the stars before they took the stage with the 'American Idol' contestants.
