Celebrity couple Maggie Gyllenhaal and Peter Sarsgaard shined at the screening of Crimes of the Future during the 75th annual Cannes film festival hosted at the Palais des Festivals by providing the perfect example of how to execute the standard Hollywood black tie dress code. Gyllenhaal’s look was entirely unembellished and was instead characterized by her dress’ strong geometric silhouette. The ensemble features a dramatic low V-neck and prominent shoulder pads. Clean and tailored lines were another central element of the dress, an effect caused by the way the fabric gathers and falls. Her e…