Amzcw's lavender tulle spaghetti strap sequin lace-up back mermaid prom dress is crafted from premium lightweight tulle, featuring a chic square neckline with delicate double spaghetti straps, a sheer fitted bodice adorned with intricate 3D sequin floral applique and iridescent embroidery for a touch of luxury, a sultry lace-up open back with a self-tie closure for a customizable fit, a sleek mermaid silhouette with a chic side slit for effortless movement, and a sweeping train for a red-carpet-ready finish, ideal for prom nights, formal galas, red carpet events, photoshoots, and special occasions, blending ethereal sparkle with timeless sophistication for your unforgettable night.