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.

Katy Perry is facing an uphill battle with her upcoming Lifetimes tour, as reports indicate that thousands of tickets remain unsold for her scheduled concert dates. The pop star, w

Rebecca Black will be joining Katy Perry on her Lifetimes Tour starting from May, the singers have confirmed. It comes after Katy struggled with ticket sales.