Five-time Oscar nominee Amy Adams, who celebrates her 41st birthday on Thursday, is just one of our favorite carrot-top women. Check out some more in this slideshow.
Who knows? It may be true that blondes have more fun, but redhead fans still had to wonder why Laura Prepon would dare change her hair color. Still, we will choose to think of her as red-haired Donna Pinciotti from "That '70s Show."