The Most Glamorous Night at CannesHeidi Klum, Diane Kruger, Kim Kardashian and more get decked out in drop-dead looks for amfAR's annual charity gala in the ritzy south of France

9 of 21

JANET JACKSON

If you had any doubts that she'd really lost the weight, Miss Jackson puts them to rest in a dare-to-bare Emilio Pucci turtleneck gown with a center split, plus Pomellato jewels.