Buzzfeed picked up video footage of Tilda Swinton awesomely dancing around the Virginia Theatre with Ebertfest attendees last week. If you haven't watched it already, I really dare you to attempt to without grinning from ear to ear. I mean, not only is it awesome that she's AT the festival, but to interact and have a great time with everyone in the audience is great. Plus, people are hilarious dancers.
And here's the video, shot excellently by C-U's Shatterglass Studios: