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.

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

PHOTO: Ke$ha by Associated Press.

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