Fans are flocking downtown for the third day of Lollapalooza.For some concertgoers, drugs are part of the festival experience.To keep people safe, Chicago police set up camp outside, and EMTs were on hand at six medical tents.

Here’s everything you need to know about Lollapalooza — including a day-by-day look at the music festival in Chicago’s Grant Park.

Doctors at Rush University Medical Center previously said they anticipate seeing 10 to 20 extra patients a day in the emergency during the event—some come in for a drug overdose.

From Olivia Rodrigo to Doechii, some of the world’s biggest music stars flooded to Chicago for the four-day music festival.

Believe it or not, the festival so synonymous with Chicago actually started being held consistently only since 2005.

Artists including Olivia Rodrigo, TWICE and Luke Combs take the stage in Chicago for Lollapalooza 2025. See photos of the best performances.