The After Midnight Dress from Maurie & Eve has an unique one-shoulder construction with a tie-up front and a figure-hugging silhouette. Just add heels. 
 
Slim fit
Soft fabrication  
One-shoulder design 
Cut-out front; tie-up design 
Invisible zip fastening on back 
Diagonal hemline  
Material: 95% Polyester and 5% Spandex
Colour: White
 
Size on Tag: Size 8
Recommended Size: 8, small 10