Stylish plus size chiffon formal evening dresses with long lantern Tiffany Prom Formal Strapless Sweetheart Chiffon Long Dress Eggplant Strapless Sweetheart Chiffon Formal Dress for $89.99 The Plus Size Dress Style #31251 La Femme Prom Strapless Sweetheart Chiffon Long Formal Dress DressOutlet The. Joanne is our gorgeous floor length gown in an A line silhouette. It is made of high quality chiffon. Its strapless, sweetheart neckline and pleated bodice create a sweet and cute silhouette for all the girls and ladies. Available in full size range (UK4 UK34) and in custom sizing. Silhouette: A line Fabric: Chiffon Hemline: Floor length Back Details: Zipper Neckline: Halter Sleeve Length: Sleeveless Embellishment: Ruched , Pleated Built In Bra: Yes