Bra is normal wears like dress or jeans which should be brought regularly. Most often you realize that you really need a bra after you have brought new clothes. It good to buy a bra while fitting it so as not to make inappropriate estimation. Strapless bra is ideal for dresses which are shoulder straps for you will not want to show your lingerie to everyone. The backless dress usually have a halter neck strap that leaves your back nude for this dresses one can try a backless bra, which provides you with the support needed though the band going around wouldn’t be there.
For a backless bra it should be glued to your breast or have a silicon cup that creates a vacuum that will attach to your beast. It takes some times to place the cups correctly but they will give you the support to bring your breast together enhancing the cleavage. It is not advice able to wear a backless bra with a short dress since it will appear to have no bra for they usually half cup and cover the bottom part of the breast and the nipples.
For such types of bras notice that one can wear with any type of dress but it will not give the maximum support like for a normal bra. Therefore one needs to have a firm pair of breast and nipples. Buying bras online can be tricky always consider buying bra online with the help of someone trustworthy.