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