Sleek and so feminine, this one-shoulder long formal dress A8568 by Dave and Johnny is one you won't want to miss out on. With a ruffled asymmetrical neckline with one ruffled short sleeve, this long designer dress is a stand-out choice for prom, galas, and other formal events. With a princess-cut bodice and a hip-skimming long skirt that opens in a thigh-high side slit, this one-shoulder long formal dress is red-carpet ready for your big night.