I need an party/cocktail dress. I struggle so badly because the waist never falls in the right place. To make it harder, I have big boobs so need to be able to wear a bra too. Nothing ever fits rights. I'm 5'6", so although the idea of getting a dress from a "tall" range seem like a good idea, they're too long on me. Any time I have to buy a dress I end up very depressed! Any suggestions from other people with a long torso, on where is good to look for evening/cocktail dresses?