We all have nervous ticks. I, for one, tend to play with my earrings when part of an awkward situation. (I do this a lot, considering most of my interactions are awkward.) But it looks like Twilight star Kristen Stewart has incorporated her tick — bottom lip-biting — into her bag of acting tricks. Just take a look at College Humor’s entertaining compilation of scenes featuring the young starlet’s lip-chomping:
This, naturally, brings up the question: Is Stewart’s lip gloss really that tasty, and if so, where can I get some? (And what flavor is it?! Any guesses?) And do any other actors boast aggravating on-screen ticks?