“It’s Fellini,” said the designer backstage, regarding the late Italian filmmaker. “It’s all the things I love about him, come to light... There are exaggerations, off-duty showgirls, Casanovas. It’s surreal, it’s otherworldly.” [...] Not all of the fashion tonight was fresh-out-of-the-box original. But, when it comes to the intersection of style and pop cultures—be they fueled by the social media apps of now or the silver screens of Fellini’s era—few have as sound and confident a grasp in this business as Scott does.