The actress wore a simple but stunning scarlet Vera Wang gown to the 2011 Oscars.

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Her most memorable look ever! Michelle put herself on the fashion map in landing on all of the best dressed lists in this gorgeous canary yellow Vera Wang gown at the 2006 Oscars.

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From Vivien Leigh's poppy-printed gown in 1940 to Amy Adams' 2013 tulle Oscar de la Renta, see the most memorable Academy Awards looks ever

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Lupita Nyong'o Photos - Actress Lupita Nyong'o poses in the press room during the Oscars at Loews Hollywood Hotel on March 2014 in Hollywood, California. - Press Room at the Annual Academy Awards

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40 Dresses With Their Own Wikipedia Entries: Pink Feathered Versace Dress Of Penelope Cruz at the Academy Awards, February

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How Beyoncé, Meryl, Natalie, and More Celebrities Wore Lanvin: Tilda Swinton