Amazon.com: Royal Blue Prom Dress, Spaghetti Strap Sequin Mermaid Prom Dresses V Neck Evening Gowns Formal Party Dress Size 6 Royal Blue: Clothing, Shoes & Jewelry Amarra Blue Dresses for Formal and Semi Formal Events AMARRA One Shoulder Dark Navy Blue Long Lace Prom Dresses, One Shoulder Dark Navy Blue Lace Formal Dresses Ocean Blue Lace Chiffon Elegant A Line Long Bridesmaid Evening Dress A Line Open Back Navy Blue Satin Long Prom Dresses with High Slit, Long Navy Blue Formal Graduation Evening Dresses SP2983 Off the Shoulder Long Royal Blue Prom Dresses with leg Slit, Off Shoul jbydress