In a performance that got social media buzzing, Katy Perry and Rebecca Black teamed up for a surprise duet of viral hit "Last ...

Carrie Underwood's debut as a judge on American Idol has drawn in more viewers than Katy Perry's final season premiere, by ...

Katy Perry reteamed with Rebecca Black last night ... her Salvation tour stop at El Rey Theatre in Los Angeles last night ...

American Idol showrunner Megan Michaels Wolflick has shared her thoughts on Carrie Underwood's controversial performance at ...

Katy Perry is dealing with major career stress as a ton of seats remain unsold for her make or break tour – but she’s vowing ...

"Katy was a huge cornerstone of 'American Idol' as far as a presence and a personality, so you can never replace her -- It's ...

Doug Kiker, a contestant on 'American Idol' Season 18 who moved Katy Perry to tears in his audition, has died. He was 32.

Katy Perry is re-releasing her 2009 acoustic EP, 'Live At MTV Unplugged,' on lavender-colored vinyl later this year.

Doug Kiker, who was originally from Mobile, Alabama, was the father of two kids, whom he shared with Valerie Cook, his former fiancée. Kiker, who belonged to a working-class background, was a garbage ...

However, Katy Perry made around $25 million per season ... “Depending on Carrie’s performance and how she’s responded to by ...

Katy Perry is facing an uphill battle with her upcoming Lifetimes tour, as reports indicate that thousands of tickets remain ...