Olivia Rodrigo‘s series of surprise onstage collaborations with alt-rock legends continued at Lollapalooza 2026. She came out during The Smashing Pumpkins‘ headlining set on Friday (7/31), in the rain, to join them on Mellon Collie and the Infinite Sadness track “Thirty-Three.” Olivia’s surprise Lollapalooza appearance follows her headlining set at the festival last year, where she brought out Weezer for their Blue Album songs “Buddy Holly” and “Say It Ain’t So.” Lollapalooza continues all this weekend – catch up on our coverage with pictures from Thursday HERE, and find the livestream schedule HERE. SETLIST: THE SMASHING PUMPKINS @ LOLLAPALOOZA 2026, 7/31/20261979Bullet With Butterfly WingsTodayEdinDisarmLuna (with Yungblud)Porcelina of the Vast OceansJellybellyTonight, TonightPentagramsThirty-Three (with Olivia Rodrigo)Ava AdoreWar Dreams of ItselfMayonaiseCherub RockZeroThe Everlasting Gaze (with Melissa Auf der Maur)