Katy Perry reteamed with Rebecca Black last night, and their joining forces is looking to last through Lifetimes - as in Perry's so-named tour. Black, who appeared in Perry's 2011 video for "Last Friday Night (T.

Fourteen years after ‘Friday’ video made her the target of cruel comments online, the O.C. native will play Honda Center and Kia Forum.

In a performance that got social media buzzing, Katy Perry and Rebecca Black teamed up for a surprise duet of viral hit "Last Friday Night (T.G.I.F.)" at Rebecca Black's Los Angeles concert last night.

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, was at the Los Angeles stop on her own Salvation tour on the weekend when Perry joined her for a rendition of that song.