Be classy in this long mermaid formal dress MV1184 from Marsoni by Colors Dress. With a beaded band at the off-the-shoulder neckline, this long special-occasion dress gets a sparkly look, while banded sleeves add a romantic vibe. In misses and some plus sizes, this gorgeous gown has a princess-cut bodice that flows into the long mermaid skirt that opens in a side slit before ending in a train. Delivering a flawless blend of glamour and refinement for prom, galas, and other formal events, this long mermaid formal dress is a favorite for the stylish mother of the bride.