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Andre 3000 and Big Boi put Outkast on the back burner in 2007, but the two may be headed for a reunion at next year's Coachella Valley Music and Arts Festival.

Billboard reports multiple sources have confirmed talks to appear at the Indio, Calif., festival, which begins April 11, 2014. Though no Outkast reps have officially confirmed the rap duo's reunion, one source told Billboard it's "all systems go." Plus, Outkast collaborator Sleepy Brown recently posted an Instagram photo with the text "Outkast headlining Coachella 2014" superimposed over the shot.

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The Coachella appearance likely would be the first of several Outkast shows, including additional festival dates.

Since releasing Idlewild in 2006, Big Boi and Andre 3000 have kept busy collaborating with other acts and releasing solo material. Both appeared on a remix of Frank Ocean's Pink Matter, though they were quick to say that collaboration didn't constitute an Outkast reunion.

Since Coachella started in 1999, reunions have been one of the festival's distinguishing features with acts like Big Audio Dynamite, Faith No More, Iggy and the Stooges, the Jesus and Mary Chain, My Bloody Valentine, Pavement, The Pixies, Rage Against the Machine and Siouxsie & the Banshees getting back together on its stages.