A cut-out at the back is the unexpected move. You feel it more than anyone else sees it until you turn around. The back cut-out works best on fitted dresses because the contrast between the covered front and the exposed back creates visual interest and a sense of intention. The opening changes how the dress drapes because now the fabric is working around a void rather than covering the entire surface. Back cut-out dresses work for evening or for anyone who likes the idea of a dressed-up moment that has a secret. These are the back cut-out dresses that deliver modern style because the opening is placed somewhere that changes your relationship to the dress itself.