The official lineup for this year's Osheaga Music Festival has been released. Not to miss out on the summer music festival sweepstakes, the Montreal festival has enlisted OutKast among the headliners. The Atlanta duo are set at the top of the billing alongside Jack White, and Arctic Monkeys.

Lorde, Skrillex, Nick Cave & The Bad Seeds, and another seminal reunion act - The Replacements - are among the mid-tier acts for the August 1st-3rd festival, held at Monreal's Park Jean-Drapeau.

Modest Mouse, which has long been rumored to release a new album later this year (the first since the band's 2007 LP We Were Dead Before The Ship Even Sank), are also on this year's billing alongside beloved 2013 breakouts CHVRCHES and HAIM. For the full lineup, check out the official Osheaga poster below.

For the 9th year of the festival, organizers have expanded the size of the event, adding a sixth stage and plan on introducing more international acts. Full ticket information for Osheaga can viewed here.

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