03/23/2009 05:12 am ET Updated May 25, 2011

Oscar Nominees' Gowns: A Fashion Retrospective (SLIDESHOW)

What they'll wear on Sunday night is a closely guarded secret, so here's a look back at what this year's nominees in the Best Actress and Best Supporting Actress categories wore to past Oscars ceremonies. Not pictured (because they haven't photographed by AP or Getty at an Oscars ceremony): Melissa Leo (nominated for Best Actress in "Frozen River") and Viola Davis (nominated for Best Supporting Actress in "Doubt").

Which looks do you love? Weigh in below.

*Check here for a fashion retrospective of the male nominees*

(Photos from AP and Getty)

Best Actress Nominees Years Past

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