Lace Up Back Sweetheart Embellished Corset Ruched Satin Mermaid Maxi Dress With Slit Black Sweetheart Dresses & Windsor Beautiful Sweetheart Long Mermaid Sequins Formal Dresses With Slit Illusion Sweetheart Mermaid Dress with Slit & Ruched Back GLS Collective Strapless Lace Corset Ruched Satin Mermaid Maxi Dress With Slit KOREYILA. Make a stunning entrance in this mermaid prom dress. Featuring a sweetheart neckline and sweeping train, the dress is adorned with sparkling rhinestones on the corset style bodice and waist. The stretch satin fabric offers a flattering fit, while the thin straps lead to a crisscross lace up back and a high slit adds a touch of bold sophistication. SKU: 334436