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.

The countdown is on for an all-female crew, headlined by singer Katy Perry, to blast off to space on a Blue Origin rocket.

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

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 ...

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

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 ...