Here's a classy off-the-shoulder long navy blue prom dress that is sure to sparkle under the lights. A dazzling choice for prom, galas, and other formal events, this long blue sweetheart evening gown has shimmering beaded embroidery on the sheer bodice. The long blue formal dress has a long skirt with side ruching that provides a fitted look before draping down to the floor to finish the design. Richly designed with just the right amount of eye-catching sparkle, this off-the-shoulder long navy blue prom dress is ready for your grand entrance.