Selena Gomez collaborates with Katy Perry for new album
On July 20, 2010, in an interview on Z100, Gomez confirmed that the album has ten songs so far. One of them is an original by Katy Perry, called "Rock God", that was given to Gomez and her band. Perry has provided the background vocals for the song. In the interview, Gomez also briefly mentioned another song called "Off The Chain" as a contender for the band's second single.