Plus Size Long Sweetheart Prom Dress CLPT004C AEW: Double or Nothing 2026. Slip into this plus size long sweetheart prom dress and set the tone for a beautiful evening. Crafted in gleaming fabric from the one shoulder bodice to the hem, this fabulous plus size long formal dress has a side sash that drapes to the floor for a dramatic look at prom, galas, and other black tie events. With a sweetheart neckline, this faux wrap plus size evening gown gets a figure flattering upgrade with tummy concealing side ruching and a floor length skirt that hugs the curves before flowing to the floor. Budget priced under $150, this plus size long sweetheart prom dress is sure to wow the crowd without emptying your bank account.