The pop star will sit for a conversation about the project after the screening in New York.

It's been a year since Katy Perry launched her Lifetimes tour, and if you didn't get to see it, you'll be happy to know it's ...

Katy Perry has responded to her critics with an exciting announcement about her upcoming concert documentary film. On Tuesday ...

Katy Perry's getting ready to take her fans through a series of lifetimes ... 'cause she's rehearsing for her upcoming tour -- and, TMZ has exclusive video of the practice.

Despite all the controversial drama, Katy Perry is enjoying her time to the fullest.The 143 hitmaker on Saturday, April 18, ...

Performing under electric blue and pink lights in Rome, Italy, Katy Perry delivered more than just vocals. She brought a ...