Pop queens Katy Perry and Rebecca Black are making waves again, but this time, it's not about a viral single. The two singers ...

Katy Perry has tapped iconic "Friday" singer Rebecca Black to join her in her "Lifetimes" world tour! On Instagram, the pair ...

Katy Perry teamed up with Rebecca Black to perform 'Last Friday Night (T.G.I.F.)' and invited her on the Lifetimes Tour.

Katy Perry has reunited with Rebecca Black during a recent live show, and invited the singer to join her for the ‘Lifetimes’ tour. READ MORE: Rebecca Black on 14 years of ‘Friday’ and find ...

Katy Perry faces challenges with ticket sales for her Lifetimes tour and seeks advice from Taylor Swift, whose Eras Tour is a major success. Perry aims to learn Swift's marketing strategies and ...

Katy Perry has teamed up with Rebecca Black for Perry's Lifetimes tour. Black, who appeared in Perry's 2011 video for Last Friday Night (TGIF), was at the Los Angeles stop on her own Salvation tour on ...

Katy Perry is about to hit the road with her Lifetimes Tour after nearly eight years, and the pop star shares what her fans can expect from the new trek, what the setlist is going to include and more!

KATY Perry has asked Taylor Swift to help save her struggling Lifetimes tour. As The U.S. Sun exclusively reported, thousands of tickets remain unsold for Katy's upcoming concert dates.