Nothing will stop me from making backless dresses. Adding a shelf bra to the front bodice is really just an extension of the facing! Here I used some scrap mid weight jersey and How to Sew a Built In Bra (With Cups!) Pretty Prudent Easiest way to keep bra strap under dress sleeve? How to Sew Bra Cups into a Dress (No Bra Needed!) How to Turn Ready made Bras into Strapless Dress Support Threads Lets talk about one of our favorite little secrets, bra keepers! , We sew them into strapless dresses to keep your bra or shapewear right where it should be. No slipping, no tugging, no stress.