Special Occasion A sleek dress like this does most of the styling for you. The mermaid silhouette and boat neckline keep the look polished up front, while the open tie back adds a sultry little plot twist. Add barely-there heels and minimal jewelry, then let the shape handle the rest. Fit & Features Smooth knit fabric with stretch Sleeveless boat neckline Fitted bodice Open back with tie detail Mermaid floor-length silhouette Runs true to size   Where to Wear: Weddings, black-tie galas, rehearsal dinners, engagement parties, special date nights, red-carpet events, formal occasions