SHOP Moustapha AL Labban & Sons SHOP Moustapha AL Labban & Sons SHOP Moustapha AL Labban & Sons SHOP Moustapha AL Labban & Sons SHOP Moustapha AL Labban & Sons SHOP Moustapha AL Labban & Sons. Here's a long satin prom dress that is as flirty as it is sparkly. With shimmering embroidered designs on the sheer waist, this long satin evening gown gets a sexy upgrade, while an asymmetrical strap detail adds a unique look that makes it an eye catching choice for prom, galas, and other formal events. The long formal dress has a gleaming long satin skirt with a thigh high slit and a side drape that follows every move. Priced under $250, this upscale long satin prom dress looks like a million bucks without emptying your bank account.