Style Showdown: Which Star Is Twittering About Stella?

Who's jumping on the McCartney fashion bandwagon? Find out now!

Back in May, Stella McCartney whipped up a jumpsuit while getting ready with her A-list pals for the Met gala. In the months that followed, celebs like Rachel McAdams, Rumer Willis and Reese Witherspoon wore variations of the lace design.

Just the other day, the one-piece resurfaced on Twitter.

Which starved-for-attention actress wanted the world to see her Stella-clad reflection in the dressing room? Find out in mystyle's Style Showdown: Who Scores? gallery!