Olivia Rodrigo delivered alongside surprising guests Weezer as Lollapalooza continued in Chicago with performances by T-Pain, Flipturn, Gigi Perez, Bo Staloch and more.

She’s powerful, she’s political, she’s rock and she’s pop. And she brought out surprise guest Weezer for two songs during her Friday headlining concert in Grant Park.

Olivia Rodrigo delivered a powerful performance Friday night as she made her Lollapalooza Chicago debut, headlining Day Two of the annual music festival in Grant Park. Rodrigo, currently on her GUTS World Tour, performed a mix of fan favorites from her Grammy-winning debut album SOUR and her chart-topping follow-up GUTS.