Full Lollapalooza 2017 Lineup Revealed: Arcade Fire, Muse, Chance the Rapper and the Killers HeadlineFull Lollapalooza 2017 Lineup Revealed: Arcade Fire, Muse, Chance the Rapper and the Killers HeadlineThe lineup for this year's Lollapalooza has been revealed.Dave LiftonDave Lifton