Rachael Leigh Cook
"I was in a really formal dress earlier from the premiere of All Hat," quick change artist Rachael Leigh Cook explained. "I changed into this because I have formal hair so I had to even it out." Cook fit right in with the decor of the elegant Windsor Arms Hotel, where a Raphaellite fresco presided over all of the glamorous party's guests, among them Rhada Mitchell, Amber Tamblyn and Jennifer Jason Leigh.