Prom Dress Navy Blue Sequin Mermaid Maxi Dress With Lace Up Back And High Slit Formal Evening Party GownBL's show stopping navy blue Prom Dress exudes red carpet glamour, perfect for your special night. The thin spaghetti straps crisscross into a dramatic lace up open back, while the form fitting mermaid silhouette is entirely covered in shimmering sequins. A high front slit adds movement and allure, and the trailing hem creates a statuesque effect, making it ideal for prom, homecoming, formal dinners, or cocktail parties.