Sleek and sultry, this long halter prom dress named Esme indulges in sultry allure. Surprisingly affordable at under $100, this long halter evening gown has a square neckline and two supportive straps that attach behind the neck for a a sophisticated look at prom, wedding receptions, and other black-tie events. Offered in misses and some plus sizes, this beautiful long formal dress has a hip-skimming long skirt with vertical ruffles that flow to the floor and a wide side slit that offers a sexy vibe. A tantalizing symphony of grace and sensuality, this long halter prom dress from Velvi is sure to become a new favorite in your formal wardrobe.