The actress ditched her honey-blonde hair ... Rachel McAdams but Says 'I Don't Think It's a Good Movie' In the film, which also stars Owen Wilson and Vince Vaughn, McAdams has a rich brown shade ...
Rachel McAdams' new look is totally giving Janis Ian. That's right, the Mean Girls alum no longer resembles Regina George, as she kissed her blonde stye goodbye and debuted a dramatic dark hair color.