Backless Long Halter Prom Dress: Jessica Angel 774A classic style, this open back long halter prom dress 774 is sure to bring your romantic visions to life. Perfect for prom, galas, and other black tie events, this long formal dress has a slight sweetheart neckline and halter straps that adjust at the back of the neck. In misses and plus sizes, this long designer dress by Jessica Angel has an open back that shows off a sexy vibe with every turn. A hip skimming long mermaid skirt completes the look of