Frontman Brandon Flowers merely pointed at guitarist Dave Keuning, who began strumming a few signature chords, and the 2013 Lollapalooza crowd went nuts for the Killers. Who wouldn't? They opened with none other than 'Mr. Brightside!'
Though the official announcement has yet to come, the Chicago Tribune is reporting that the Killers, Vampire Weekend, Mumford & Sons and the Postal Service will be headlining the annual festival that will take place in Chicago's Grant Park on Aug. 2-4.