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 Should I size up or down for corset tops: A Complete Guide Miss Leather Online Wedding Dress Alterations: The Ultimate Bridal Alterations Guide Plus Size Corset Satin Gown by Cinderella Divine 7484C What to expect with corset back dress sizing? Corset Wedding Dresses: Elegant Lace Up Bridal Gowns Pronovias