It's so hard to find really pretty and fashionable clothes when you're a bigger girl, and especially when you live in a smaller city like I do. I generally have to shop in stores that carry plus size "club" clothes. Occasionally, I can find a cool pair of jeans, but I usually have to alter them myself to give me a better fit on my legs.
I just ran across ASOS the other day. ASOS carries a ton of awesome clothes. They have a "Curve" section where the voluptuous girl can find great-fitting and beautiful clothes. They carry unique pieces from size 16 to size 22. They also carry a great selection of accessories and shoes!
These are a few of my favorites from the site: