Plastic wrap but make it couture! Demi Moore arrived to the Cannes premiere of her new doc, 'Groundswell,' in the most fabulous violet gown, wrapped in shimmering tulle that gave the Bright Lights Beaded Maxi Dress Blue Peppermayo US Primavera Couture Beaded Long Dress 3211 Peacock 2 Blue Beaded Lace Prom Dresses with Slit Spaghetti Strap Tulle Skirt 24120 Custom Colors US12 LaDivine CC2308 Mermaid Prom Dress with Feathered Skirt Light Blue 6 so we know the dress was black and blue BUT that's not what i'm here to discuss : r opticalillusions