M.O.P. always makes the short list when hip-hop’s best duos are discussed. Known for their hard beats laced with steroid deliveries, the duo has birthed some of hip-hop's most memorable street anthems throughout the course of their 17-year career. Fresh off tour, Billy Danze and Lil Fame chopped it up with XXL about their Top 5 MC duos of all time in no particular order. —Dan Reagans