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,

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 and Korn will provide contrasting styles Friday evening as Lollapalooza heads into the weekend. Djo, Ravyn Lenae, T-Pain and Bleachers are also set to take the stage Friday.