Perez Hilton — Lollapalooza, the famed music festival in Chicago's Grant Park, just released the lineup and it's AMAZING, including our beloved GaGalupe and Green Day! YES! Check it out: Soundgarden, Green Day, Lady Gaga, Arcade Fire, the Strokes, Phoenix, Social ... more info

MTV.com News — The Strokes, Arcade Fire and Phoenix also headline the August fest in Chicago.By James Montgomery Lady Gaga Photo: Marco Prosch/ Getty Images Lady Gaga is bringing the Monster Ball to Lollapalooza this August. Hope she's packing some sunscr... more info

VH1 News — Lollapalooza 2010 will be headlined by Lady Gaga, Green Day, Soundgarden, the Strokes, Arcade Fire and Phoenix on August 6-8 in Chicago. more info

Pitchfork — The folks behind Lollapalooza have spent the past week dropping hints about this year's lineup, announcing artists one letter at a time, via a sort of hangman or Wheel of Fortune game. And though it's been fun to hazard guesses about what bands will ... more info

Brooklyn Vegan — "The 2010 Lollapalooza line-up is official: Soundgarden, Green Day, Lady Gaga, Arcade Fire, The Strokes, and Phoenix will headline, joined by Social Distortion, MGMT, Jimmy Cliff, Hot Chip, and The Black Keys. With 130 bands on this year's bill, its.... more info

Rollo & Grady — Dan Auerbach of The Black Keys Lollapalooza 2010 Lineup: Soundgarden, Green Day, Lady Gaga, Arcade Fire, The Strokes, Phoenix, Social Distortion, MGMT, Jimmy Cliff, Hot Chip, the Black Keys, the National, Spoon, Devo, Cypress Hill, Cut Copy, The New ... more info

The Yellow Stereo — In March, The National launched a rather ill-advised viral campaign to hype up their highly anticipated album, High Violet.  While I found it unncessary that the band would even need such a thing, I still didn’t know what “High Violet” was a... more info

Rolling Stone — Lollapalooza organizers have added another letter to their Wheel of Fortune-style lineup puzzle: R. The new clue has helped reveal a new host of potential acts, including Green Day, Arcade Fire, Social Distortion, Grizzly Bear and Wolfmother. As Roll... more info

Brooklyn Vegan — Lollapalooza is teasing people with a Wheel of Fortune style lineup-announcement. They've only filled in the O's. As the Daily Swarm points out, Soundgarden, Green Day, Lady Gaga, Arcade Fire, The Strokes, and Phoenix fit nicely into the top... more info

411 Mania — Plus, Paramore, QotSA, LCD Soundsystem and the Libertines reunite... more info