Update* The full Lollapalooza line up!

Pearl Jam, Daft Punk, Ben Harper & the Innocent Criminals, Muse, Iggy & the Stooges, Modest Mouse, Interpol, My Morning Jacket, Satellite Party, Yeah Yeah Yeahs, Snow Patrol, the Roots, Patti Smith, Kings of Leon, the Black Keys, Regina Spektor, Spoon, Lupe Fiasco, TV on the Radio, Pete Yorn, G. Love & Special Sauce, Paolo Nutini, Amy Winehouse, LCD Soundsystem, Clap Your Hands Say Yeah, Silverchair, Femi Kuti, Yo La Tengo, the Hold Steady, Jack's Mannequin, Stephen Marley, Sound Tribe Sector 9, M.I.A., Slightly Stoopid, Blonde Redhead, Sparklehorse, Sean Lennon, !!!, Blue October, Son Volt, Motion City Soundtrack, Polyphonic Spree, Peter Bjorn & John, Silversun Pickups, CSS, the Rapture, the Wailers, Roky Erickson, Tapes n Tapes, Heartless Bastards, the View, the Cribs, the Fratellis, Ghostland Observatory, Tokyo Police Club, Rhymefest, Soulive, Cold War Kids, Annuals, Fields, Electric Six, Jim Noir, Elvis Perkins in Dearland, Sam Roberts Band, Black Angels, Charlie Musselwhite, Aqueduct, Juliette & the Licks, Dios, Viva Voce, David Vandervelde, Los Campesinos!, Chin Up Chin Up, Ryan Shaw, Colour Revolt, Satin Peaches, Illinois, Arckid, Mickey Avalon, The 1900s, Bang Bang Bang, Bound Stems, High Class Elite, Carey Ott, Matt Roan.