Composer: Dejvid Safar
Lyricist: Dobry Lavr
Composer: Cathy Dennis & Max Martin & Lukasz Gottwald & Katy Perry
Composer: Cathy Dennis
Lyricist: Cathy Dennis
Composer: Cathy Dennis & Katy Perry & Lukasz Gottwald & Max Martin
Lyricist: Cathy Dennis & Katy Perry & Lukasz Gottwald & Max Martin