Oscars Best Dressed Red Carpet 2012 - Rooney Mara, Emma Stone, Michelle Williams

>>The biggest red carpet moment of the season has finally arrived — and with it comes some of the most memorable looks of the year. Among the evening's greatest hits? Jessica Chastain's gilt-embroidered Alexander McQueen, Gwyneth Paltrow's cape-endowed white Tom Ford, and Rooney Mara's ivory Givenchy Couture — which she said she picked out the morning before. See those — plus more of the chicest looks of the night — right here, in our 2012 Oscars best dressed slideshow.