Rihanna has praised Arcade Fire after she watched them at the Coachella festival at the weekend.

The Montreal-based band headlined the second day of the festival in California.

Rihanna, who attended the event despite not performing, posted a picture of herself watching the group with friends on Twitter.

She wrote: "Coachella! Fun times... Arcade Fire, u f*ckin blew my mind! Felt like a kid again! U rock!!"

Arcade Fire were joined by fellow headliners Kings Of Leon and Kanye West.

Rihanna was one of a number of celebrities spotted at the festival. Paris Hilton, Robert Downey Jr, Ashley Greene and Alex Chung also attended.

(by Jason Gregory)