Even if Juicy J couldn't fit into Dark Horse's release schedule because of the tragic passing of his band mate (RIP), WHY PITBULL? I mean Katy made a remix with the likes Kanye West and Missy Elliot. Pitbull is so random and has absolutely no value he could add to this. And she could've done a solo version.
So many #1 singles that she only wants certain ones to hit #1! KatyKat Problems I know. Oh well it's gonna smash no matter what version they release. Juicy Js version has already taken off