8 Sexy Backless Dresses for Your Boobs to Flop Around In

5. Ribbed Midi Dress (Topshop, $105)

This backless metallic midi comes with an unexpected strap across the back that looks like a bra, but isn’t and couldn’t hide one, so you can hit the dance floor with maximum trepidation! Life is about taking risks, and you’re living, baby!