Romantic A-Line Spaghetti-Strap Sleeveless Deep-Open-Back Sky-Blue Polka-Dot Chiffon Floor-Length Prom DressesThis romantic prom dress features lightweight sky blue polka dot chiffon (with tie strap details, a deep V neck & flowing A line skirt): it has a sleeveless design, deep open back, and a floor length hem with a high slit. The airy, feminine style is perfect for prom, garden galas, or upscale daytime events.