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Phoenix, Vampire Weekend, Mumford & Sons and The Killers will perform at this year's Lollapalooza, according to the Chicago Tribune's Greg Kot. The festival, which takes place August 2-4 in Chicago's Grant Park, will also reportedly include performances by The National and The Postal Service.

While the performances haven't been officially announced, the full lineup is expected to be revealed in April.

UPDATE: The full lineup can be seen here.