Katy Perry - 1st mainstream album -- "I Kissed a Girl" "Hot N Cold"

Katy PerryKaty Perry began with an on-and-off recording career, having been dropped 3 times by record labels.

After signing to Capitol Music Group in 2007, Katy Perry released Katy's 1st mainstream album, One of the Boys. It contains the worldwide hits "I Kissed a Girl" and "Hot N Cold".