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 ...

Katy Perry could really hear her fans 'Roar' last night ... probably screaming out in horrible pain -- 'cause one of them ...

Katy Perry is leaving American Idol in good hands. After the "Dark Horse" singer announced that season 22 of the singing ...

Katy Perry left American Idol behind, and there was speculation that things were not good between her and her co-stars behind the scenes. She last worked as one of the show’s three judges, along with ...

Amid a mix of previous unannounced shows in Canada, Perry will continue to make stops in cities across the country until ...

Matthews had been set to take the stage at the Jan. 30 benefit concert in the wake of the devastating Los Angeles wildfires.

The live concert will bring together some of the biggest names in Hollywood -- including some directly affected by the fire -- to raise money for recovery efforts.

For an appearance on Jimmy Kimmel Live, Katy Perry channelled her inner rock chick wearing a strapless leather top and ...