Rolling Stone’s photo gallery captures the first day of Lollapalooza 2026 in Chicago’s Grant Park, showing performances, backstage moments and fan activity.

– Lorde headlined the opening night on 30 July, joined by surprise guest Charli XCX.
– Sombr drew a large crowd and performed with Luke Hemmings of 5 Seconds of Summer.
– Naperville-born John Summit played a hometown headlining set.
– SB19 became the first all-Filipino group to perform at the festival.
– Other featured artists included Wet Leg, Empire of the Sun, Kim Theory, MPH, Bad Nerves and Haute & Freddy.