Taylor Swift on Katy Perry: I Don't Know Her!

Taylor Swift on Katy Perry: I Don't Know Her!

Bravo bigwig and Watch What Happens Live! host Andy Cohen has a new memoir out, and naturally, it's filled with the kind of gossip that will have stars chucking into their giant roaring fireplaces, a la Citizen Kane.

Sure there are some Bravo-lebrities acting like Bravo-lebrities, but there are also some A-listers letting their true colors show.

Posted in: Katy Perry