Floor Length Blue Dresses & Windsor Elegant Blue Evening Gowns & Windsor Light Blue Formal Dresses For Women & Windsor Queendancer Women Sparkly Blue Corset Lace Prom Dress with Slit A Line. Elevate your evening look with our Elegant One Shoulder Sleeveless A Line Ruffles Maxi Formal Dress with Slit. The flowy A line silhouette, one shoulder design, and slit add an elegant touch, while the ruffles bring a playful element. Perfect for formal or any formal event.