Autor: Levi Lennox, Anthony Hannides, Mike Hannides, Zayn Malik, Bonnie McKee, Henry Walter, Max Martin, Lukasz Gottwald, Katy Perry
Compositor: Levi Lennox, Anthony Hannides, Mike Hannides, Zayn Malik, Bonnie McKee, Henry Walter, Max Martin, Lukasz Gottwald, Katy Perry
