VINCE CAMUTO Navy Blue Beaded Embellished Cascade Ruffle Open Back Crepe Gown Mother of the Bride, Formal Gown, Long Dress Clean and classic at the front, a sleeveless crepe gown gets flirty and fun at the back with a spine-baring cutout and fluttery, cascading ruffles. A sprinkling of sparkly crystals along the elegant bateau neckline highlights the face. Hidden back-zip closure; two button-and-loop closures at back neck. Bateau neck. Sleeveless. Empire waist. Lined. The train has been hemmed.