After collaborating on two hit songs, Eminem and Rihanna have announced that they're hitting the road this summer!

"There are some shows coming up with Rihanna," Em told XXL magazine. "It's a three-city tour: New York, L.A., and Detroit coming in August. The Monster Tour."

Rihanna tweeted, " '@Eminem: NYC/DET/LA this August with @Rihanna! #TheMonsterTour -http://xxlne.ws/1e0Ua9I' OH IM THERE!!!!!"

No specific dates have been announced.

Eminem and Rihanna have worked together on the hits "Love the Way You Lie" and "Monster."