The United States' largest electronic music gathering, Ultra Music Festival, has grown in popularity and in attendance with each passing outing for the past 12 years. And as tickets have been sold out for months now, fans have been eagerly awaiting the announcement of the 2012 festival's lineup of artist. In coming through with the entire crop, Rolling Stone has revealed that Swedish DJ Avicci will be headlining this year's activities down in Miami, Florida. Joining the renowned producer will be Pretty Lights, Skrillex, Afrojack, Calvin Harris, David Guetta, and a plethora of other well-known acts. The festival will take place March 23-25, and as per usual, it boasts a variety of vibrantly electrified stages. See below to witness the entire run down for 2012's Ultra Music Festival.

Friday, March 23
Tiësto, Kraftwerk, Carl Cox, Skrillex, Afrojack, Miike Snow, Pretty Lights, New Order, Groove Armada (DJ set), Dirty South, Loco Dice, A-Trak, Dada Life, Porter Robinson, Neon Indian, Jack Beats, Chris Lake, Michael Woods, Nicky Romero, Tommy Trash, Katy B, DJ Icey, the Knocks, Afrobeta, Jon Rundell

Saturday, March 24
Avicii, Justice, Fatboy Slim, Duck Sauce, M83, Sven Vath, Carl Cox, Laidback Luke, 2manydjs, Flux Pavillion, Borgore, Doctor P, Metronomy, Little Dragon, Hardwell, Datsik, Andy C, Zeds Dead, 12th Planet, Magda, Skream! + Benga, Zedd, Mord Fustang, Cedric Gervais, Netsky, High Contrast, Mt. Eden, Camo & Krooked, Big Chocolate, Carbon Airways, Yousef

Sunday, March 25
David Guetta, Armin Van Buuren, Kaskade, Bassnectar, Chase and Status, Bloody Beetroots (DJ set), Fedde Le Grand, Knife Party, Magnetic Man, John Digweed, Steve Aoki, Ferry Corsten, Gareth Emery, Sander Van Doorn, Flying Lotus, SBTRKT, Adam Beyer, Steve Lawler, Joris Voorn, Jamie, Jones, Seth Troxler, Damian Lazarus, Nic Fanciulli, Layo & Bushwacka!, Marcus Schossow, Popof, Art Department, Big Gigantic, Savoy, Tritonal, Jochen Miller, Keys n Krates, Elio Riso, Remo, Eco, RioTGeaR