Classy Long Mermaid Off The Shoulder Backless Dark Navy Prom Dress Women's Ribbed Criss Cross Backless Sleeveless Halter Slip Dress, Elegant Classy Flattering Backless Dress, Cut Out Spaghetti Straps Shimmery V Neck Backless Evening Dress with Pleating Ever Pretty US The most elegant dresses for me are always backless. I love to be very modest, but theres something still so classy and feminine about a backless dress. Its just the right amount of exposure for me.