Light Blue Iridescent Sequin Lace Up Prom Dress with Slit jkprom Our dear client's vision was clear: midnight blue, iridescent movement, the silhouette of a pure ballgown. So we layered iridescent organdy beneath deep midnight blue to create a shade that shifts like Jovani 22770 Iridescent Blue Plunging Neck Plus Size Dress Jovani Periwinkle Blue Ballroom Dress Iridescent Flounces Size 3 4 9 10