- This stunning off-white and multicolored floor length prom dress is made of a lace fabric. This sleeveless gown features a plunging neckline, floral embroidery, a strappy open back and a concealed zipper that fastens the dress together in the back. This ballgown looks great on tall girls who want to show off their figure while still wearing a full skirt. This is the perfect prom dress for the girl who want to look both feminine and glamorous.