The Most Glam Night of Cannes: amfAR Gala 2013Jessica Chastain, Rosario Dawson, Heidi Klum and more stars turn out in gorgeous designer creations at the annual amfAR fête


She must have a rack of gowns stashed in her limo! After stepping out in a Versace gown, Heidi does a quick change into this strapless Marchesa creation with an organza overlay, plus Rene Caovilla sandals.