Elegant Mermaid Cowl Neck Spaghetti Straps Open Back Floor-Length Light Blue Sequin Prom Dresses with High SlitStep into elegance with LuodiLan's mermaid style prom dress It features delicate spaghetti straps, a deep V neckline, a fully sequined fabric base, and a dramatic open backcrafted from shimmering light blue sequins (glossy, textured finish with a curve hugging silhouette and high slit). The design blends soft glamour (light blue hue) with modern allure (open back), making it ideal for formal events, galas, and special occasions. Back Style: Open Back