Actress Rosario Dawson arrives at the Vanity Fair Oscar party hosted by Graydon Carter held at Sunset Tower on February 27, 2011 in West Hollywood, California. (Getty Images)more pics » Rosario Dawson Oscar Party Dress All eyes were on Rosario Dawson at this year's coveted Vanity Fair Oscar party. Fashion fans waited with bated breath for a glimpse of Dawson's red carpet dress: The stunning actress wore a sparkling sequined cobalt dress by Diane Von Furstenberg. The glittery gown featured a thigh high slit, reavealing pewter platform pumps.

Rosario Dawson got her start in the controversial Larry Clark film Kids, alongside fellow style star Chloë Sevigny. She has since starred in a string of comedic and dramatic hits, from Men in Black II to Eagle Eye. She is also an unofficial brand ambassador for Italian label Bottega Veneta.

The 83rd Annual Academy Awards were held February 27, 2011 at the Kodak Theatre in Hollywood. James Franco and Anne Hathaway hosted the festivities, which honored the best films of 2010. Hathaway, who employed her stylist gal pal Rachel Zoe to dress her for the event, looked fabulous as always. And as well she should: Zoe's fee was reportedly astronomical!

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Best Dressed at the 2011 Oscars If there's any night Hollywood gets truly glamorous, it's Oscars night. See which stars were big winners on the red carpet at the 2011 Academy Awards!

• Readers Choice: Hilary Swank Oscars Dress Ranks #5 on Best Dressed List
• Readers Choice: Natalie Portman Oscars Dress Ranks #4 on Best Dressed List
• Readers Choice: Halle Berry Oscars Dress Ranks #3 on Best Dressed List
• Readers Choice: Sandra Bullock Oscars Dress Ranks #2 on Best Dressed List
• Readers Choice: Mila Kunis Oscars Dress Ranks #1 on Best Dressed List