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 surprised the audience at her Los Angeles concert by bringing Rebecca Black on the stage for a special performance of Last Friday Night (T.G.I.F.).

Ahead of the 97th Oscars, we are ranking all of the Best Picture winners in the history of the Academy Awards. Parasite, ...

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