From Halle Berry's burgundy Elie Saab to Penelope Cruz's billowing Balmain, we've collected pictures of the most beautiful gowns at the Academy Awards since 2000.
Reese Witherspoon found her 1955 Christian Dior gown at a Paris vintage boutique, but had trouble convincing the owner to part with it - it had apparently once belonged to royalty. On Reese, it was nothing short of magical.