Stewart apparently danced the night away -- dateless -- at the wedding of her "Catch That Kid" co-star Max Thieriot and Lexi Murphy, reported Hollywood Life.
The former "Twilight" star kept a low profile at the wedding, but several attendees said they had a great time hanging out with her.
One guest, allegedly Thieriot's sister, posted this on Twitter following the evening:
OMGEEEE DEAR KRISTEN, thank you so much for last night I had so much fun with you. from dancing to teaching us dance moves with John talking to you was amazing and you are the sweetest person.
It must be true what they say about vampires -- their personality shines after the sun goes down.