Nicki Minaj Feat. Eminem – 'Roman's Revenge'
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The 25 Biggest Hip-Hop Collaborations Of All Time

9. Nicki Minaj Feat. Eminem – 'Roman's Revenge'
Nicki raps this song as her crazy alter ego, Roman Zolanski, and is joined by another rapper who knows a thing or two about alter egos, Mr. Slim Shady himself.