From fresh-faced girl-next-door to Hollywood glamour goddess! Her sense of style may have changed, but one thing has remained constant: Reese Witherspoon always looks incredible on the red carpet.
Click through the gallery below to see some of her best red carpet appearances.
Reese is the cover star of the May issue of GLAMOUR! Grab your copy now to learn more about her.
Want to see more celebrity style transformations? Check out the fashion evolutions of Naomi Campbell, Karlie Kloss and Emma Roberts.