X by NBD Madeline Dress in White. - size 8 (also in 12) X by NBD Madeline Dress in White. - size 8 (also in 12) Nylon blend. Fully lined. Hidden back zipper closure. Adjustable shoulder straps. Beaded and sequined throughout. Neckline to hem measures approx 26 in length. XBYR-WD15. NBD16D616. With sexy silhouettes and daring cut-outs, X by NBD is the party girl?s go-to brand for the perfect dress. With lace overlay details, plunging necklines and sweet scalloped edges, X by NBD gives a modern makeover to cocktail dresses.