المؤلف: Cordozar Calvin Broadus, Lukasz Gottwald, Benjamin Levin, Max Martin, Bonnie Leigh Mc Kee, Katy Perry
الملحن: Cordozar Calvin Broadus, Lukasz Gottwald, Benjamin Levin, Max Martin, Bonnie Leigh Mc Kee, Katy Perry
المساهمون الآخرون: Copyright Control