After rumors and various leaked lists, the official lineup for Lollapalooza 2012 has been announced. The annual 3-day festival will be headlined this year by The Red Hot Chili Peppers, Black Sabbath, and Black Keys. There’s no short of urban acts as Frank Ocean, The Weeknd, J. Cole, Wale, Santigold, Yuna, Macklemore & Lewis, and Childish Gambino will all perform at this year’s event taking place on August 3-5 at Grant Park in Chicago, Illinois.

While early bird tickets have been sold-out for a while, fans can purchase 3-day regular admission tickets on Lollapalooza’s official site.

Thanks to Andrew/FakeShoreDrive via Chicago Tribune

View the full lineup after the jump….

Headliners: Red Hot Chili Peppers, Black Sabbath, The Black Keys, ack White, Avicii (Tim Bergling), Justice, Bassnectar, At the Drive In, the Afghan Whigs, Miike Snow, Bloc Party, the Temper Trap and Delta Spirit.

Florence + the Machine, Passion Pit, the Shins, Sigur Ros, Fun., M83, Franz Ferdinand, Metric, Dawes, the Temper Trap, Die Antwoord, Mona, the Growlers, the Gaslight Anthem, Hey Rosetta!, JEFF the Brotherhood, Band of Skulls, Anamanaguchi, SBTRKT, First Aid Kit, Tame Impala, Wax, the Walkmen, FIDLAR, JJ Grey & Mofro, LP, JC Brooks & the Uptown Sound.

Milo Greene, Neon Indian, Dum Dum Girls, Kopecky Family Band, Washed Out, the Jezabels, Aloe Blacc, Trampled by Turtles, Yuna, Bear in Heaven, Walk Off the Earth, Blind Pilot, Animal Kingdom, Chairlift, Dev, J. Cole, the Black Angels, the Sheepdogs, Yellow Ostrich, the Dunwells, GIVERS, DJ Mel, Polica, Empires, Bombay Bicycle Club, Kevin Devine, Wale.

Dry the River, White Rabbits, Helena, Haley Reinhart, Imaginary Cities, the Head & the Heart, the Devil Makes Three, Overdoz, the Big Pink, Oberhofer, Ambassadors, Twin Shadow, the War on Drugs, DJ Zebo, the Tallest Man on Earth, Chancellor Warhol, Toro Y Moi, O Rappa, Laura Warshauer, Dr. Dog, Bowerbirds, Red Oblivion, Of Monsters and Men, Orchard Lounge.

Perry’s stage: Bassnectar, Santigold, Skream & Benga, Totally Enormous Extinct Dinosaurs, Kaskade, Little Dragon, Star Slinger, Calvin Harris, Porter Robinson, Nadastrom, NERO, Sub Focus, DJ Nihal, Madeon, the White Panda, Knife Party, Zedd, SALVA, Zeds Dead, Paper Diamond, Kid Color, Big Gigantic.

Previously: Eminem Performs At Lollapalooza With Royce Da 5′9″, Bruno Mars, & Skylar Grey (Video)