Help With Prom Outfit?

i’m not sure about the flow of the outfit.. i want just a simple look
here’s the dress:http://www.promgirl.com/shop/dresses/vie…
here are some options for my hair: (please help me decide)http://s296.photobucket.com/albums/mm175…
i’m kind of aprehensive about the shoes, i’m not sure if they would weigh down my dresshttp://cgi.ebay.com/WHITE-Gladiator-T-St…
and for accesories i have a cocktail ring that’s a white rose and i have little diamond drop earrings.. i don’t think i want any other accesories