The Valentino gown featured panels of both sheer and opaque lace.She wore a simple nude bra and black undergarments beneath the Cavalli Couture gown and paired the look with black stiletto heels.The dress, designed by Schiaparelli, featured an ultra-low neckline and voluminous tulle sleeves. The barely-there Alexandre Vauthier mini dress was covered in crystals and had an asymmetrical hem.The strapless Roberto Cavalli gown was also adorned with embellishments and sequins that glittered on the red carpet.The actress's couture gown was designed by Zuhair Murad.The feathers and beading were intricate, covering the dress from the collar to the long floor-length sleeves.The A Rainy Day in New York actress wore the Reem Acra gown to attend the festival's closing ceremony.The model's gothic-inspired look was designed by Chanel and featured sheer sleeves. The jumpsuit also had the illusion of a V-neckline underneath a layer of lace.The eye-catching gown featured fringe detailing on its bell-shaped sleeves.