Following last years 2012 collaboration 'Arena,' B.o.B has teamed up with my boo Chris Brown on a new twerkin joint 'Throwback.' Don't worry Chris Breezy's album X is coming next month, not long now. B.o.B's album will follow on December 17th titled Underground Luxury featuring Future, 2 Chainz, Juicy J, and T.I. Listen below, this tune is off tha chain, 'Go crazy to dis..'