long purple prom dresses mermaid v neck satin with slitPurple Prom Dresses Stores Stand out at your next formal event with our Long Purple Prom Dresses. The mermaid style, accompanied by a flattering v neck and slit, will give you an elegant and chic look that's perfect for any special occasion. Made with high quality satin, this dress will have you looking and feeling your absolute best. Take your style to the next level with this stunning and sophisticated formal evening dress.