Tags: Artist Discography.
The discography of singer Katy Perry consists of four studio albums one live album one extended play (EP) seventeen singles as a solo artist as well as four as a featured artist and four promotional singles. Katy Perry has sold 49897000 digital singles and 4333000 albums in the United States as of August 2013. Perry is also the best selling digital singles artist in US according to RIAA.
