Lollapalooza has been officially announced. Perry Farrell unveiled the full Lollapalooza 2009 lineup — a list of more than 100 acts — including his two top-secret headliners: Tool and the Killers, who will join other headliners Kings of Leon, the reunited Jane's Addiction, the Beastie Boys and Depeche Mode.

The rest of the lineup can be found on www.lollapalooza.com. Lollapalooza 2009 will take place August 7-9 in Chicago's Grant Park. A limited number of advance-price three-day passes are now available through Lollapalooza.com for $190. When those are gone, regular three-day passes will go on sale for $205.