Modern Two-Piece Sheath One-Shoulder Bow-Accented Cut-Out Light Blue Floor-Length Prom DressesThis modern prom dress is a two piece set (crop top + skirt) in light blue fabric: it has a one shoulder neckline, form fitting sheath silhouette, bow accented cut out back, and a sweeping floor length skirt (with high side slit). The chic, contemporary style is perfect for spring evening proms, trendy galas, or youthful upscale events.