Sequin Halter Backless Mini Dress with SlitTurn Heads. Own the Room. This sequin halter mini dress was made for the nights you want to be unforgettable. A deep V neckline, open backless design, and high slit come together in a dazzling sequin finish that catches every light in the room. Sleeveless and figure skimming with a slight stretch, it's as comfortable as it is show stopping. Why You'll Love It Dazzling sequin fabric shimmering, glamorous, and impossible to ignore Deep V