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

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

The “Firework” singer announced last year that she was leaving the ABC singing competition after seven seasons to embark on her “Lifetimes” tour.

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 ...

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

Katy Perry revealed if she is still in contact with fellow American Idol judges, Luke Bryan and Lionel Richie, after she quit ...

The May 13 show follows a seven-year gap in which the “Firework” singer became a mom and an “American Idol” judge.

Katy Perry tells PEOPLE exclusively that she's bringing daughter Daisy Dove on the road for her Lifetimes Tour, and she's ...

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.

Pop star and former American Idol judge Katy Perry is planning to launch an extensive world tour later this year, with a ...

Pop star Katy Perry has announced the American leg of her The Lifetimes Tour, which will bring the "Dark Horse" singer to ...