I need a simple nice hair do for prom!

hey.. my proms in another month, exactly!.. i still havent found a dress yet.. but i do have an idea what i want it to look.. but i do have any idea waht to do with my hair.. my boyfrend and i already made the appointment to set my hair and get his hair cut.. guys are simple.. have nothing to worry bout.. just a tux and a nice clean hair cut will do.. but girls... gotta find the perfect dress... and look all pretty.. and get their hair done.. can someone please send me some pics of nice hair dos.. i can use for my prom.. i have straight shoulder length hair.. nothing too fancy... just want it up and simple.. k? thanks..