Joseph Gordon-Levitt Dispenses Pot-Smoking Advice, Accidentally Does Perfect Seth Rogen Imitation

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Joseph Gordon-Levitt stars in The Night Before alongside Seth Rogen, and also shares a scene with Miley Cyrus — so, yeah, as he told Jimmy Kimmel, he definitely came away from the experience with a few helpful weed-smoking tips. But before he can get to that, he's going to do a pitch-perfect imitation of the way Seth Rogen laughs. Seriously, click ahead to 30 seconds in. It's uncanny!