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

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

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 ...

Doug Kiker, the Alabama native known as the "Singing Garbage Man" from American Idol who made Katy Perry cry, has passed away ...

Katy Perry wore a zebra print micro mini skirt that perfectly coordinated with Rebecca Black's leopard print mini dress for a ...

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

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

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

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