One-Sleeve Long Formal Dress with Beaded CuffUniquely beautiful, this one sleeve long formal dress has just the right amount of sparkle for your big night. Whether you're attending prom, a fancy wedding reception, or another black tie event, this curve hugging long formal dress is ready to impress. With one long sleeve, this beautiful evening gown features a sparkly beaded cuff and a shoulder baring asymmetrical neckline. The long dress smooths over the curves with side ruching that adds to the