One Shoulder Long Formal Dress with Side Cut Out PromGirl Still pinching myself. The moment Nneka showed me this cobalt blue gown, I knew it was the one. She worked her magic with the elegant draping and a dramatic side train that gave everything it needed NBD Cobalt Blue One Shoulder Sleeveless Midi Dress w Cutout Sz XS Alexis One Shoulder Gown Cobalt Blue 4 AU 0 US One Shoulder Jacquard Mermaid Gown With Drape Detail In Cobalt Teal