Hoping their chemistry returns for another hit, teamed up with for his new song, "The Monster."
Previously, the duo found success with the 2010 tune, "Love the Way You Lie" off of Slim Shady's seventh album, Recovery.
The new track will be included on Em's upcoming album, The Marshall Mathers LP 2, which hit stores on November 5th.
In the chorus, Ri-Ri sings, "I'm friends with the monster that's under my bed/ Get along with the voices inside of my head/ You're trying to save me/ Stop holding your breath/ And you think I'm crazy/ Yeah, you think I'm crazy/ Well that's not fair." Check it out in the player below.