Heidi Klum's Plunging Vivienne Westwood Gown Reveals Her Bra

Photo Credit: Lionel Hahn/Getty Images Heidi Klum turned the Cannes Film Festival red carpet into her personal runway while stepping out in a daring custom Vivienne Westwood gown that plunged so low, it revealed her black bra underneath. The supermodel attended the premiere of "La Bataille de Gaulle: L''ge de fer" at the Palais des Festivals in Cannes, France, alongside husband Tom Kaulitz, and instantly grabbed attention in the dramatic cobalt blue look. Heidi Klum's plunging Vivienne Westwood gown dips ridiculously low and reveals bra at Cannes View this post on Instagram Heidi . . .