BEST DRESSED: MET BALL 2012

It's called "The Fashion Oscars" for a reason. Last night at the Metropolitan Museum of Art's Costume Institute Gala, you couldn't reapply lipgloss without crashing into Hollywood royalty. (This problem continued well into the after-hours bashes: at 3 am, Sofia Vergara tried to cram her Marchesa dress into an already-full elevator and nearly suffocated me with beaded chiffon. Oops.) And while there were many OMG outfits at the "party of the year," we pulled eight that are really worth reviewing. The rules: We didn't pick any models, because it's their sole job to look good in clothes. Everyone else was fair game - and there were many outfits to choose from. If you saw a starlet you think deserves to be on this list, vote for them in the comments section below - we always adjust our picks for a People's Choice nomination!

Carey Mulligan, in custom-designed Prada.

Beyonce Knowles, in Givenchy Haute Couture.

Amber Heard, in Zac Posen.

Victoria Justice, in McQ by Alexander McQueen.

Ashley Greene, in Donna Karan.

Scarlett Johansson, in Dolce + Gabbana.

M.I.A. in Stella McCartney

Emma Stone, in Lanvin