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, Low Back Bra Converter and 3 Other Options for Big Boobs DIY BACKLESS BRA FOR BIG BOOBS OMABELLETV 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, this is a win for the fuller chest girlies