Katy Perry is an American singer-songwriter and musician. She rose to fame in 2007 with her internet hit "Ur So Gay", and later scored in 2008 her single "I Kissed a Girl".
She began with an on-and-off recording career, having been dropped three times by record labels. After signing to Capitol Music Group in 2007, she released her first album, One of the Boys. It contains the worldwide hits "I Kissed a Girl" and "Hot N Cold"