Nicki Minaj's new collaboration with Eminem, 'Roman's Revenge', has leaked online.

The track, taken from her forthcoming album 'Pink Friday', emerged on file-sharing websites at the weekend.

Produced by Swizz Beatz, the song, which pits each rapper's alter-ego against each other, has been greeted positively by fans.

On Friday (October 29), Minaj said she is still “in shock” after Eminem agreed to record guest vocals on her new album.

She added that it was the “most fun” to record on ‘Pink Friday’, which is due out on November 22.

'Pink Friday' tracklisting:

1. I’m The Best
2. Roman's Revenge feat. Eminem
3. Did It On 'Em
4. Right Thru Me
5. Fly
6. Save Me
7. Moment 4 Life
8. Here I Am
9. Dear Old Nicki
10. Your Love
11. Blow Ya Mind

(by Jason Gregory)