@iconner_magazine: Sadie Sink stunned in a custom Prada gown at the Spider-Man: Brand New Day LA premiere — the moment the red carpet officially became her runway. The silver satin number featured a plunging neckline and a backless silhouette, proving that less is often more . Her copper waves and fresh makeup only added to the effortless elegance . The film swings into Australian cinemas this Thursday, July 30 . Credit: Getty Images #SadieSink #Prada #SpiderManBrandNewDay