U Plunge Push Up Bra Set, Foam Cups with Clear Side Wings And Self * Covers * Comfortable Seamless, Ideal for * Dai How to Sew Bra Cups into a Dress (No Bra Needed!) If youre wearing a dress with a fitted bodice and a backless or sheer back, you can opt for stick on bras or nipple covers, but I recommend using detachable cups for better support. Here are two easy Amazon.com: Niidor B Cup Adhesive Silicone Bra & Fabric Bra Strapless Sticky Invisible Push up for Backless Dress with Nipple Covers : Clothing, Shoes & Jewelry Backless Bras Universal Cup Sizing System HerRoom