"Actually...I consider myself more of a pothead than a stoner. A pothead has the connotation of being someone who just smokes a lot of pot and has stopped thinking about it," said Seth Rogen in a recent interview with Rolling Stone.

Rogen, Jonah Hill, Emma Watson and Rihanna, among others, stars in the end-of-the-world comedy film This is the End. The film features celebrities who find themselves face-to-face with the apocalypse during a party at James Franco's house.

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