Katy Perry and Rebecca Black took part in another cheeky skit together in honor of the latter joining the pop star on her new The Lifetimes Tour.

Katy Perry cheekily flashed her sparkly sequin bra as she slipped into a very skimpy outfit for a show in LA on Saturday ...

Memes erupt with Katy Perry's announcement. Because she's bringing Rebecca Black on her tour, KatyCats can't help but poke ...

Katy Perry will be supported by Rebecca Black on 'The Lifetimes Tour'.

American Idol returned with country music star Carrie Underwood replacing Katy Perry as a judge, but viewers were left ...