Hair and Makeup help!?

I have a formal dance party to attend to next week and we have to wear long dresses. so this is my dress http://www.promgirl.com/shop/dresses/viewitem-PD596515 i was going to wear this dress with some chanel gold high heels. i need help on the makeup and the hair. im going to a hairstylist to get my hair done and i need some help! Thanks!!