Hint: It's a major pop star!
The 'American Idol' judges spoke with ET after Monday's show.
Ryan Seacrest, Luke Bryan and Lionel Richie react to Katy Perry leaving 'American Idol' after seven seasons.
Katy Perry is exiting 'American Idol' after seven seasons and her fellow judges are coming to terms with it.
'American Idol' judge Lionel Richie jokes with ET that he thinks Luke Bryan is to blame for the wardrobe malfunction.
Katy Perry chats with ET's Denny Directo after 'American Idol's live episode on Monday, which aired on ABC.
Nicole Richie's kids make their red carpet debut at the premiere of 'Don't Tell Mom the Babysitter's Dead,' in theaters on April 12.
ET chats with Lionel Richie at the premiere of ‘Don’t Tell Mom the Babysitter's Dead,’ which hits theaters on April 12.
Lionel and Nicole Richie share their excitement for Sofia's pregnancy journey with ET.
'American Idol' contestant, Madaí ChaKell, seemingly mocks judge Luke Bryan during an awkward Hollywood Week encounter.
Katy Perry, Luke Bryan and Lionel Richie also opened up to ET about being tougher on contestants this season.
'American Idol' judges Lionel Richie, Katy Perry, Luke Bryan and Ryan Seacrest sit down with ET to discuss Hollywood week.
On ‘American Idol,’ former 'Bachelor' Juan Pablo Galaves crashes 15-year old daughter Camila's season 22 audition.
The former 'Bachelor' star tears up during his daughter's audition.