Rihanna announces American tour
Rihanna has announced she will tour North America this summer.
The Rude Boy singer will be joined by Kesha and Nicki Minaj on the Last Girl On Earth tour, a message on her website said.
The shows kick off in Seattle on July 2 and Rihanna will play more than 20 concerts throughout the summer before wrapping up in Chicago on August 25.
The singer told MTV: "We've never done a tour to this capacity."
"The production is unbelievable and the costumes, we just took it to a whole new level," added the star.
Tickets for the Last Girl On Earth tour go on sale at LiveNation.com on April 9.