The L'IDÉE Black Tie Gown features all-over pleats and a strapless neckline with a small v notch. The L'IDÉE Black Tie Gown features all-over pleats and a strapless neckline with a small v notch. A French term meaning “the idea,” L’IDÉE is captivated by pleats and vibrant colors, transforming them into experimental art forms that flatter figures, dance across bright lights, and flow in graceful movements. Founded by a vintage-loving thrift shopper with a flair for fashion and design, L’IDÉE collaborates with one of the world’s oldest pleating factories to create unrivaled silhouettes.