1. Prom dresses run at least one size smaller just like wedding gowns so pick dresses a size larger and you’ll get a perfect fit. 2. Keep an open mind. Try on lots of different styles of dresses. You might love a dress you never thought you’d wear. 3. Dresses look better on you than on the hanger–so try it on. 4. Listen to the opinions of your mom and/or friends as to what styles and colors look good on you. Just because you like the dress in an ad, doesn’t mean it’s the…