The pair collaborated in 2010 for the monster hit Love The Way You Lie.
But this new track is "not necessarily a sequel, as much as it is a revisitation" of that song, said Eminem to Rolling Stone magazine earlier this year.
The "monster" here is not a bad ex, but one's own demons. This is Eminem's poppiest single from The Marshall Mathers LP 2 , which was released yesterday.
Get The New Paper for more stories.