For sexy short hair styles, try the messy prom style. Use styling cream, comb your hair forward diagonally and spray up random parts - very much like popular boy styles. Have a look at latest hairstyles for 2008.
If you are looking for more traditional hair styles, you can do the "fake updo" style. Slick the back and sides of your short hair, and volumize the crown by either curling or pomading it up and out.
