Who Was the Worst Dressed at the Costume Gala?

Most of our favorite stars looked fabulous at last night's Costume Institute Gala, but a few of the superhero-inspired outfits fell flat. Fab and Bella have been all over the individual love it or hate it polls, and we picked out five of the evening's least-flattering ensembles. We know the celebrities don't have full control over what they wear to the party, but who do you think was the worst dressed at the Costume Gala?

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