Who has performed at halftime more than once? Who had the most cringe-worthy performance? Who was bumped from halftime to ...

Music bursts through my soul and makes me smile…' the actress wrote in her caption as pals Tori Spelling and Francesca ...

Jelly Roll will be the "artist-in-residence" for American Idol's 23rd season, multiplying how Nashville's country music ...

Katy Perry has something to say about Carrie Underwood replacing her as a judge on American Idol.

Katy Perry shared her thoughts on Carrie Underwood's new role as 'American Idol' judge, expressing confidence in her ability to guide aspiring artists ...

American Idol alum Katy Perry shared her thoughts on past winner Carrie Underwood replacing her as judge on the singing ...

Katy Perry has finally reacted to Carrie Underwood replacing her as judge on American Idol. It's been six months since former ...

Katy Perry belted out “California Gurls,” and Joni Mitchell offered a rare performance as Angelenos spoke movingly about loss — and resilience.

LOS ANGELES, CALIFORNIA: Katy Perry may have left ' American Idol ' after seven seasons, but her bond with former co-judges Luke Bryan and Lionel Richie remains strong. During an appearance on 'Jimmy ...

Lance Bass and JC Chasez have an *NSYNC reunion for L.A. wildfire relief, plus Kate Middleton, Katy Perry and more. From New ...

Katy Perry made an appearance on "Jimmy Kimmel Live!" on Jan. 29 wearing an edgy monochrome look set off by a pair of black ...

Katy Perry is psyched that daughter Daisy is coming on her Lifetimes world tour, but told Jimmy Kimmel she's horrified by the toddler's favorite song.