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After the signing, a Q&A with fans and a mini-concert with Panic at the Disco. Hundreds of fans joined the cast to see the film.
Fox plays a high school hottie who mysteriously becomes, well, a man-eater ...
"You might close your eyes," said Fox. "You'll definitely jump because things happen when you don't expect them to happen, and I do things you definitely don't expect me to do, so there's some shock value in it."
"She's hot," said moviegoer Maya Abramoff. "No joke. Even all the girls say she's hot."
"She's kind of the big thing now, I guess, with the MTV award and all that so, I don't know, it was fun to see her in person," said moviegoer Jonathan Berube.
"Jennifer's Body" was written by "Juno" writer Diablo Cody.
"She is genuinely interested in growing as an actor," said Cody. "She is super invested in the material. She is one of the best actors I've ever worked with."
"Wow. That's very overwhelming and I appreciate that," said Fox when told of Cody's compliment. "That's sweet of her to say that."
"You're not believing it, though, and I want you to!" says George.
"No, I do believe that. I'm surprised she said that," said Fox.
"Jennifer's Body" opens Friday.