Rihanna Will Hit the Road with Ke$ha
The pop stars will take on 25 arenas this summer
The ladies, along with rapper Nicki Minaj, will kick it off in Seattle July 2, and make 25 total stops – including Los Angeles on July 21 and Madison Square Garden in N.Y.C. on Aug. 12 – ending August 25 in Chicago.
Tickets go on sale at LiveNation.com on April 9.