How to Rock a Backless Dress with Your Everyday Bra Backless dress + heavier chest? This is what actually works. Even when I was a XXL, I wore breast tape , and I still use it now. It's the most supportive option, the best way to get support + lift in a backless outfit & trust me they are not going anywhere with this heavy duty support holding them in place , Tape for the exact one I use in my bi0 , The Complete Dress Guide for Women with Large Breasts Petite Dressing Styling Backless Dresses with Built in Support