You Asked, We Found

We did the hard part (tracking down Cameron Diaz's bag, Emma Stone's top and more celeb-worn items). Now you have the easy job (whipping out your credit card)

SIENNA MILLER'S GOWN

"I'm fully prepared for your answer to be: It's custom. But where can I buy the dress Sienna wore to the Oscars afterparty?" – Josephine
We bet you weren't fully prepared for this: The Alexander McQueen design is sold online and still available in a few sizes. Bet you weren't ready for this either: It'll cost you $3,098.16.