Coachella confirms that OutKast will reunite at this year 's festival . Rumors that the duo would perform together at Coachella began April 18-20 . Arcade Fire and OutKast will join OutKast as festival headliners . Southern Coachella fest will run two weekends -- April 18-20 and year .
Coachella confirms that OutKast will reunite at this year 's festival . Rumors that the duo would perform together at Coachella began last fall . Arcade Fire and Muse will join OutKast as festival headliners . Southern California fest will run two weekends -- April 11-13 and April 18-20 .