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,

Rodrigo made her Lollapalooza debut with a powerful headlining set. 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.

The singer/songwriter was then joined onstage by Weezer trio Rivers Cuomo, Brian Bell and Scott Shriner to play Buddy Holly and Say It Ain't So, the second and third singles lifted from the band's 1994 self-titled record, better known as the 'Blue Album'.