Long Slinky Stretch Cross Strapped Prom 2020 Dress. Alyce Paris 60866 is available in Purple, Hot Pink, and Emerald Green. Draw attention with a plunging neckline, mermaid style Prom Dress. The slight train with horse-hair trim will add drama to your Prom night. Perfect for Prom or other formal dances, or other formal evening events.