After last night's Oscars Awards, celebrities flocked to the annual Vanity Fair Oscars soiree in full party mode — and the festive attire to match their mood. Diane Kruger stunned in a jaw-dropping red lace gown by Calvin Klein, Kate Bosworth showed off her cool girl status in a sheer Prabal Gurung frock, while Kate Hudson wowed in vintage Versace. Meanwhile, we witnessed quick wardrobe changes from the likes of Jennifer Lopez, Emma Stone, and Shailene Woodley. There's a lot more where that came from; check out the slideshow to see more celebs working it on the biggest red carpet night of the year. Then, be sure to vote for the best-dressed of the night by playing our incredibly fun, surprisingly challenging Oscar Best Dressed bracket.