Headliners include Kendrick Lamar, Billie Eilish, Red Hot Chili Peppers, Odesza, Lana Del Rey, Karol G, The 1975 and Tomorrow X Together.
There are nine stages at Lollapalooza with bands from around the world. More than 400,000 usually attend.
The festival will take place from August 3-6 in Grant Park in Chicago.
A ticket presale will begin on Thursday at 10 a.m.
For more information and for tickets, visit Lollapalooza.com.