FYI Corset back wedding dresses are still just one size. There's a set width the back lacing needs to be, if you're a 16 and the dress is a 12, the gap FYI Corset back wedding dresses are still just one size. There's a set width the back lacing needs to be, if you're a 16 and the dress is a 12, the gap Size Chart Corset Factory Corset Wedding Dresses: Elegant Lace Up Bridal Gowns Pronovias Plus Size Corset Satin Gown by Cinderella Divine 7484C The Perfect Fit Corset Dress Sizing Guide