- Two-material black dress for girl - Top in short velour - Strapless sweetheart neckline, adjustable shoulder or crossed back straps - Tulle bottom, with cut-outs for ruffle effect - Flared shape, knee length - Invisible zip closure back We're talking about a grand entrance, with just enough to turn a few heads. Velvet for class. Tulle for an airy touch. A strapless dress guarantees a successful first impression.