Check out Fox in Flats on FB hun, she recently did a post about how everyone can wear a maxi dress IF it is the right style and goes through what to look for and lists quite a few dresses for bigger sizes. Maybe some long skirts that don't have too much fabric in them could work?? I agree with the 3/4 pants as well they are pretty diverse, or some long dressy shorts?? I know you mentioned your legs but longer ones to the knee might be good.