Halter Neck Open Back Mermaid Prom Dress with Sweep Train | SevobaSevoba halter neck mermaid prom dress features a plunging V neckline with a secure halter strap design, crafted with built in support to stay comfortably in place all night without slipping. The ruched bodice sculpts the bust and waist, while the luxe stretch fabric hugs every curve and flares into a dramatic floor length sweep train, creating a sleek hourglass silhouette. The fabric is designed to photograph beautifully, with its luminous sheen