Kesha Kesha Sebert , or known , (born March 1, 1987 ) is an American singer . Kesha is often presented as Ke $ ha , is located in the music world since 2007 . Britney Spears album Circus in 2008 in the Leather and Lace Kesha songs in the background vocals , the same year Katy Perry I Kissed a Girlün top songs are featured in video clips . The Veronicas This Love Kesha also wrote the lyrics of the song . In 2009, an American rapper Flo Rida with his duet Right Round , 630 000 times in America be downloaded within a week , on American music in digital form within a week became the most downloaded songs . Animal was published on January 1, 2010 debut solo album , he debuted in the U.S. album charts . Tik Tok is the first single from the album in the same way he took part in a number in the list of American music . Artists, as the second single from 3OH ! 3 Blah Blah Blah song was recorded with the selected.