Eminem and Rihanna are teaming up for a "Monster Tour" this summer. 

The music super stars have announced a three-city tour together. 

The concerts are planned for New York, Los Angeles and Detroit. 

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

Em also shared the news on twitter