Kristen Stewart introduced Jon Bon Jovi at the 12-12-12 Concert For Sandy Relief, and the New Jersey rocker proceeded to bring the house down at MSG.
On the road doing press for On the Road, Stewart made a surprise appearance in New York to make a plea for donations to the ongoing relief efforts.
"She flew in from California just to be here tonight because she wanted to help out," Master of Ceremonies Billy Crystal told the sellout crowd Wednesday.
"She got here in three seconds because that's what vampires do when they fly at night, they go very fast. Please welcome, a fantastic young actress, Kristen Stewart!"