You've got the gown. You've got the pretty new shoes ready to be danced in all night. Even the date thing seems to have worked out. Now all you need is a prom hair style to top it all off. If you check out magazines that feature formal hair styles, you'll notice that the classic updo seems to be the norm for prom night. Grab the hair, pull it up into a high ponytail, then arrange it in curls or loops decorated with sequins, a tiara, or other sparkling baubles. It's a nice, feminine look