Long Sequin Halter Prom Dress: Jessica Angel 2391Shine bright in this long sequin halter prom dress 2391 by Jessica Angel. Fully sequined from the deep v neckline to the hem, this long designer dress is ready to shine in the spotlight at prom, galas, and other black tie events. The long sequin formal dress has a halter bodice with shoulder straps that attach behind the neck, while an open back creates a sexy vibe. The long mermaid skirt ends in a small train to complete the look of this long sequin