It's a very, very special moment," Rodrigo told the crowd in Chicago's Grant Park on the second day of this year's fest. "I remember my first concert. It was a very memorable night. I watched this incredible band and I am so over the moon,

Olivia Rodrigo brought out Weezer during her headlining set at Lollapalooza. Together, they sang "Buddy Holly" and "Say It Ain't So" Before she brought out the band,