Ke$ha, Miss "Tik Tok" herself, has been added to The Bamboozle, playing both days of the festival on May 1 and 2, which will be headlined by MGMT and Weezer.

The singer-songwriter, whose debut "Animal" also topped the charts, just set a record last week with "Tik Tok," logging 11,224 spins -- the most radio airplay in one week since Billboard started monitoring national airplay in 1993.

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Other artists added to The Bamboozle lineup today include Drake (May 1) and Motion City Soundtrack.

PHOTO: Ke$ha by Associated Press.