MTV VMA's Best Dressed

1. Big winner Beyonce rocks red Roberto Cavalli with Cescare Paciotti pumps.

2. Kristin Cavallari rocks a silver vintage dress, YSL pumps and drop earrings by Sutra.

3. Katy Perry arrives at the 2009 MTV Video Music Awards in some adorable Louboutins and a skin-tight metallic number.

4. Taylor Swift has a sweeping asymmetrical gown by Caufman Franco Resort to complement her big night.

5. Alicia Keys looks mod and adorable in this patterned LBD by Dolce & Gabbana.

6. Kristen Stewart shows in Valentino with Rock & Republic heels, alongside Taylor Lautner (in Calvin Klein) and Robert Pattinson.

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7. Rihanna, rocking Jasmine di Milo, smiles at the House of Hype Directors Dinner for the VMAs. Riri held court at NYC's Hotel Rivington alongside the company's Marketing honcho Sam Keywanfar, afterwards partying with Timbaland's Rockstar Game Beaterator.