Hot SongsMusicDeJ Loaf – Back Up Feat. Big Sean [New Song]Prodizzle·July 3, 2015·Share Dej Loaf and Big Sean link up on “Back Up.” A week after teaming up with Young Thug for “Shawty,”DeJ Loaf links up with fellow Detroiter Big Sean in ode to the haters “Back Up.” Surely she’ll find a spot for both on her upcoming EP. Listen to “Back Up” below