Quite a few celebrities showed up at The Smile Event 2010 last night in New York City.

The night featured a premiere dinner, live auction, and dancing to benefit Operation Smile. Jessica Simpson chaired, while Nick Cannon hosted.

Fashion wise, there was a lot to take in. For the second time in one week, Jessica Simpson displayed an affinity for yellow, while models Jaslene and Sessilee kept it interesting with fun, chic looks. I also heart singer Shontelle’s outfit, which was simple yet eye-catching–and in a good way.

Read more for all the photos.

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Jaslene Gonzalez

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Jessica Simpson

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Lydia Hearst

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Olivia Palermo

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Sessilee Lopez

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Shontelle

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Tinsley Mortimer