RUMOR: Britney and Katy Perry collaboration???

Katy Perry will be featured on a “I Wanna Go Remix” out in July.

what heppend with the girl who make playback...katy, ke$ha??? i think that is really good for your career talk mad about the Queen of Pop, and say that hate that she make playback, but when she call you for make a duet, you cry about it and jump...