Best Store For Dressy Dresses In Petite Dress-outfit Help!?

Dress-outfit help!? - best store for dressy dresses in petite

I have to do a wedding, and I need help finding something to wear. Me where you would NOT TRUE The Outfit, a business even quite nice =]

What you should know:

* I might want to adjust the size, pencil skirt and black knee-length dress Nice or pretty. Something stylish enough for a wedding.
* I am very small, like a 0 in pants, but a small to medium in the cups. (I have the breasts a little bigger than a problem sometimes when I) clothes. My measurements are 34-25-34 and I'm 5 meters high. So remember.
* The wedding took place in November, and I live in Louisiana, it is probably closer to 60 degrees or less.
* I am 15 years old, but in the right way, not only to try, too hot, please;)
* The price range to 100-150 for the dress or blouse and the background. Accessories can do more: D

Thank you!
- Katie