If you're looking for a bold look, this Colette by Daphne long designer dress CL5140 is as eye-catching as can be for your big formal. Whether you're attending prom, a fancy gala, or another black-tie event, this backless long formal dress is sure to stun the crowd with a sheer corset-style bodice that wraps around to the strappy back. The sexy long evening gown has booty-enhancing back ruching and a hip-hugging long skirt that opens in a side slit before ending at the floor. Be the fashion trend setter when you choose to slip into this daring long designer dress by Colette.