It would be an understatement to say it was a a busy, event-filled evening in NYC last night. From some lovely ladies in blue at the Tiffany & Co. Blue Book Ball to some winning looks at a couple of Tribeca Film Festival premieres, the fashion set was out to impress on Thursday night. We couldn't narrow it down to just 10, so click through to see our 12 best dressed guests from yesterday.

The Guest List

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Heather Graham• Gwyneth Paltrow• Hilary Rhoda• Michelle Williams• Jessica Biel• Kate Hudson• Karolina Kurkova• Carey Mulligan• Best Dressed Guests• Sami Gayle• Lisa Yom• Tiffany & Co. Blue Book Ball• 2013 Museum Dance sponsored by Roberto Cavalli• American Museum of Natural History's 2013 Museum Dance• IWC And Tribeca Film Festival Celebrate "For The Love Of Cinema"• The Cinema Society & Bally screening of Sony Pictures Classics' "At Any Price"• Susannah Heyworth• Lauren Welch