Justin Bieber: 'Up' Remix with Chris Brown (MUSIC)
Justin Bieber can add Chris Brown to the list of artist's he's collaborated with, as a remix of his song "Up" has been released with the rapper and the Biebs joining forces.
"Up," a slow jam, was on Justin's release of My World 2.0 and this new version is featured on the Biebs' remix EP Never Say Never: The Remixes.
After the jump, check out the new (and old) version of "Up":
Which version of "Up" do you think reign's supreme? Hit the comments and let us know!