Guide Note: Oscar Dresses 2008 offers a guide to 2008 Oscar fashion.

Popular red carpet designers for 2008 included Marchesa, Valentino and Zac Posen. Best Actress winner Marion Cotillard wore Gaultier, and Best Supporting Actress Tilda Swinton wore a Lanvin gown.

Other notable fashion choices included Heidi Klum's red Galliano gown, which will be auctioned off by The Heart Truth to benefit the National Heart, Lung and Blood Institute.

The evening's trends include red and black dresses, strapless gowns and dramatic, layered necklaces.