Mac Duggal prom dress. Luxurious with a refined feel, this Mac Duggal gown is more than just a dress, it is a work of art. From the strapless sweetheart neckline to the mermaid patterned skirt this gown is a beauty. The dress is completed with a dropped back and floral pattern encompassing the sweep train. From Dress & Party, a prom dress store in Columbus, OH.