Long Sweetheart Mermaid Prom Dress by PromGirl

Here's a long prom dress by PromGirl with a flattering princess cut from the sweetheart neckline to the hem. The long formal dress features a strappy open-back design with adjustable straps and a classic sweetheart neckline that is sure to draw the eye. Designed in a form-fitting mermaid style, this long dress is crafted from a jersey-spandex blend that looks and feels great. For prom 2020, a pageant, or another formal event, slip into this sweetheart mermaid prom dress, under $150.