After Lollapalooza, Rodrigo wrapped her GUTS tour shows when she played Osheaga Festival in Montreal on Aug. 1 and 3. Meanwhile, Weezer will play festivals across the country in August, September and October before heading to South America in November for three shows.

Olivia Rodrigo was joined by surprise guest Weezer during her headlining set at Lollapalooza 2025. On Friday (Aug. 1), the 22-year-old pop superstar made her debut on the second day of the Chicago music festival at Grant Park. Toward the end of her evening set, she surprised the crowd by inviting Weezer to join her on stage.