If Justin Bieber Does Smoke Pot, Here Are 17 Celebs He Could Blaze With! (PHOTOS)

Brad Pitt "liked to smoke a bit of grass" during his early days in Hollywood, the actor told Parade. "Then I got bored. I was turning into a damn doughnut, really." He dropped the habit and picked up a sterling movie career instead.

His ex-wife, Jennifer Aniston, has also partaken in a toke or two. The Wanderlust actress once dished to Rolling Stone (via the Daily Mail), “I enjoy it once in a while. There is nothing wrong with that. Everything in moderation. I wouldn't call myself a pot-head.”