PRISM: 2M US 5M WW ARTPOP: 1M US 3M WW BANGERZ: 1M US 2.5M WW LOVE ME BACK TO LIFE: 300K US 1M WW CIARA: 130K US 185K WW BRITNEY JEAN : 350K US 700K WW TAMAR: 500K US 750K WW