Katy Perry feels the pressure of mounting online criticism directed against her. "Please know I am ok, I have done a lot work around knowing who I am, what is real and what is important to me ...

Not everyone thinks Katy Perry is out of this world. Footage of the pop star robotically dancing on the opening night of her “Lifetimes” tour in Mexico City on Wednesday has gone viral on ...

Katy Perry is a pop star, a former "American Idol" judge and, now, a space traveler. She's also the internet's punching bag as of late. After initially keeping quiet about the ridicule ...