top
http://www.forever21.com/product.asp?catalog%5Fname=FOREVER21&category%5Fname=sbtrend%5Ffestival&product%5Fid=2058152049
Bottoms ( white ones)
http://www.jeanswest.com.au/?page=preview&jean=211
Shoes - You have the black ones. Heels or flats would be good.
Hair
Curled/wavy if possible in a messy bun with a thick black head band.
Makeup
Neutral, pink gloss. Eyes keep it real, but add some character with gold/bronze eyeshadow ( matching a little with the top).
You shall look very sexy, but not slutty, classy aswell.