Off the Shoulder Long Sequin Gown with Feathers Arthrose du mdio pied FootEducation. As glamorous as it is curve hugging, this off the shoulder long sequin gown is truly spectacular. This fabulous long corset evening gown includes shimmering sequins from the plunging v neckline to the floor, and swaying feathers on the off the shoulder banded sleeves. With a sheer corset that wraps around to the back, this long sequin prom dress includes a wrap style sequin skirt that opens in a side slit before draping romantically to the floor. Polished posh for prom, military balls, and other formal events, this off the shoulder long sequin gown is an upscale style for the girl who loves to a bold look.