Katy Perry's album One of the Boys was released on June 17, 2008 to mixed critical reviews.Katy Perry's One of the Boys album has reached number nine on the Billboard 200.
Katy Perry's album One of the Boys as of February 2009, has sold over 800,000 copies in the United States.
Katy Perry's album One of the Boys album has been certified platinum by the Recording Industry Association of America.
