Supermodels Alessandra Ambrosio, Adriana Lima, Behati Prinsloo, Candice Swanepoel, Doutzen Kroes, Elsa Hosk, Erin Heatherton, Jessica Hart, Lily Aldridge, Lindsay Ellingson and Miranda Kerr get some help from Justin Bieber as they turn up the beauty on 'Beauty & A Beat'
