Accesories hair and makeup !!!!! help!!!!?

ok so eighth grade graduationa href="http://www.debshops.com/Fashion/ViewDetail.asp?page=1&CatID=157&CENID=3063" rel="nofollow"http://www.debshops.com/Fashion/ViewDeta…/a is coming up and i have already picked out my dress and my shoes a href="http://www.walmart.com/catalog/product.do?product_id=8283791" rel="nofollow"http://www.walmart.com/catalog/product.d…/a and i also have this necklace that ia a purple erfly on lilac colored ribbon and a couple shains which is really pretty so i need advice on how to do my hair not too dressy becasuse i want it to be laid back kind of (i have shoulder length thick brown hair that i usually straighten) pics would be amazing also i would like to know how to do my makeup i have light blue almost gray eyes and i am pale any help would be awesome!!! thaanks in advance = )