Cutting hair shorter will add body to limp hair, and the curl adds even more. Here, Reese's hair has been cut to just above her shoulders. Get this look with hot or Velcro rollers, then brush out the curl so it becomes a wave. Follow with a spritz of gloss and set with a bit of hairspray.
See my photo gallery of Reese Witherspoon Hair: Her Most Iconic Looks for more Reese.