Megan Fox burns up the screen in R-rated Jennifer's Body trailer

Megan Fox, the hottest thing in Transformers: Revenge of the Fallen, is even hotter as the demon-possessed high school cheerleader of Jennifer's Body—especially when she sticks her tongue in the flame of a cigarette lighter in the new "red-band trailer" released earlier today at (Red-band trailers can be screened in theaters only when they accompany R-rated films, since the trailers themselves may contain strong language or sexual situations.)

The teen horror flick, written by Diablo Cody, the Academy Award-winning screenwriter of Juno, won't hit theaters until Sept. 18, 2009, but you can view the new trailer after the jump.

[Warning: Megan drops the F-bomb.]

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