Emerald Green Prom Dresses With Sleeves Emerald Green Formal Dresses Sparkly Trumpet Mermaid Spaghetti Straps Long Formal Dress With High Slit Green Formal Evening Dresses Sparkly Trumpet Mermaid Slit Green Prom Dresses With Sequin Missacc. Designed for the fashion forward individual, our Sparkly Trumpet Mermaid Spaghetti Straps Long Formal Dress with High Slit is a showstopper. The shimmering fabric catches the light in all the right places, while the flattering trumpet mermaid silhouette elongates your figure. With delicate spaghetti straps and a daring high slit, this dress will make you feel elegant and confident at any formal event.