Rihanna can't wait to go on tour with Eminem.

The rapper announced he is embarking on a three-city US tour with the 26-year-old singer, whom he has collaborated with three times in the past, on "The Monster" and on two versions of "Love the Way You Lie," this summer. "There are some shows coming up with Rihanna. It's a three-city tour: New York, Los Angeles and Detroit coming in August. The Monster Tour," the 41-year-old star said on Friday.

Rihanna later shared her excitement about their upcoming performances on Twitter, writing, "@Eminem: NYC/DET/LA this August with @Rihanna! #TheMonsterTour - OH IM THERE!!!! [sic]."

The Barbados-born beauty opened up about why she loves working with the rapper during an interview with Complex magazine last month: "The moment I worked with him on 'Love the Way You Lie,' I wanted to work with him again, and we did 'Love the Way You Lie Part 2.' And then I wanted to work with him again. I just love working with Eminem. He's just one of my favorite rappers, and his lyrics - he's a true poet, and I enjoy that about him. For this song, I needed someone with not only his skill, but his personality. And I needed someone who really understands the perspective and the metaphor in the song of going numb and being numb to everything around and to say, 'F**k you.' Eminem is definitely the perfect guy for that."