Katy Perry is reported to be disappointed after some low ticket sales in her 83-concert worldwide tour inspired by Taylor ...

Check out Katy Perry's California Gurls, a fun and energetic track that brings the sunshine of California right to your speakers.

Katy Perry revealed her twist on a space-ready outfit just days before she makes history with an all-female trip to the stars ...

"I think there was some backlash for her reuniting with Dr. Luke, which was my desire," Chris Anokute said in a recent ...

Katy Perry put her fabulous taste in fashion ... go down to the mat with you and get back up every time." The "California Girls" hitmaker concluded with: "I love you my fighter @orlandobloom ...

Katy Perry is known to love spectacular visual concepts. She's been seen as an Egyptian in her song "Dark Horse", as an alien in "ET", and as a Californian star in "California Gurls". But this ...