American Idol alum Katy Perry shared her thoughts on past winner Carrie Underwood replacing her as judge on the singing competition series, which airs March 9 on ABC.

Katy Perry is telling Carrie Underwood to take the wheel. The “Woman’s World” singer shared what she really thinks about the ...

Alexandra Kay delivered a stunning rendition of an emotional Carrie Underwood ballad in a new video she posted on Thursday ...

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 ...

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

The singer talked about the frisky innuenDOH!-laced song from her "Teenage Dream" album on Wednesday's (Jan. 29) Kimmel.