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 Bra for Backless Dresses Is Only $11 Who What Wear Kawaii Sexy Black Backless Dress Kawaii Fashion Shop Cute Asian Japanese Harajuku Cute Kawaii Fashion Clothing 9 Sexy Backless Wedding Dresses and Gowns for 2013 Trendy and Sexy Backless Dresses Shop Open Back Dresses at Lulus