I purchased a similar item from another company to wear underneath a strapless bridesmaid gown, and it had the twins pointing to the heavens, not in a good way.  I bought the Goddess Women's Lace Bustier Bra as a last-minute replacement, and I couldn't have been more pleased.  I took note of the other reviews, and ordered two cup sizes down from my normal, and increased the band size by two sizes.  It fit perfectly.