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