The full line up isn't till tomorrow but I had to put up the initial Lollapalooza line up as of now. Some of the favorites are on!

Modest Mouse, Interpol, CSS, MIA, TV On The Radio, Kings of Leon, Yeah Yeah Yeahs and LCD Soundsystem will perform at this year's Lollapalooza Festival, it was announced today (April 11).

The festival is set to take place August 3-5 in Chicago's Grant Park.

Also on board for the massive festival are Muse, Hot Chip, The View, Cold War Kids, Kanye West, Pearl Jam, Daft Punk, Iggy & the Stooges, Snow Patrol, Patti Smith, Spoon, Amy Winehouse, Clap Your Hands Say Yeah, Yo La Tengo, The Hold Steady, !!! and Peter, Bjorn and John.