Justin Bieber — Gets Real Street Cred Working with Hip-Hop Legend Rick Rubin!

EXCLUSIVE

Rick Rubin‘s hip-hop resumé is unparalleled — he’s worked with the Beastie Boys, LL Cool J, Public Enemy, Run–D.M.C., Kanye West, Eminem, and now … Justin Bieber?  

Yes … the iconic producer is effective with the Biebs on his upcoming album (Fun Fact: in between run-ins with police, Justin Bieber makes composition).  

According to our sources, the two got together in the studio…