Katy Perry. Photo: New York Magazine

Katy Perry has released "Dark House" featuring Juicy J. and it is vastly different than her latest single "Roar" which is sitting pretty at number 1 for the past few weeks. "Dark Horse" will be on Katy's new album "Prism due in stores October 22nd. Although Katy has put "Dark Horse" out, she is stating it is not the new single. She is calling them "tastes" to enjoy! To listen to Katy Perry's latest "taste" click here!

Katy Perry & John Mayer Photo:  INFDaily.com John Mayer's new album "Paradise Valley" is now available to stream on iTunes right now!  The album features a duet with Katy Perry entitled "Who You Love" and is quite a beautiful track. Mayer will be performing on the "Live On Letterman" webcast on August 19th, and "Paradise Valley" will be released on the 20th. The Grammy Award-winning singer, songwriter and musician produced Paradise Valley with longtime collaborator Don Was, who also co-produced Mayer’s #1 charting Gold-certified 2012 release Born and Raised, and has worked on albums for acts such as the Rolling Stones, B.B. King and Bonnie Raitt. Fans who pre-order the album on iTunes will instantly receive a download of the track “Wildfire". To listen to the Katy Perry duet, click here!!!!