CELEB'S EXPOSED. DUH. SHOCKER.

Ever wonder where the hell Brad Pitt or Martha Stewart (yes, you read that one correctly) get their wacky tobaccky? Well, now you can find out who Brad, Martha and the rest of the Hollywood celeb's in need of a little hit from the bo bo bush go to to. Author Craig X, spills the beans on his adventures with celebs that like to take part in a little blazin' in his new book 9021GROW:

Craig X grew up in Beverly Hills, and opened a hemp and pot paraphernalia store in West Hollywood in the mid-1990s called 2000 B.C. Soon he was selling bongs, pipes and marijuana to the rich and famous, and creating a secret place for them to enjoy their purchases in "Bong Canyon," which artificially simulated the Grand Canyon. Celebrities who are outted in the book: Brad Pitt, Jennifer Aniston, Harrison Ford, Kirsten Dunst, Drew Barrymore, Luke Wilson, Jack Black, Ricky Martin, Tori Spelling, Luke Perry, Ian Ziering, Eddie Griffin, the biggest shocker Martha Stewart, and more. Readers get to find out: what prim and proper Gwyneth Paltrow thought when then fiance Brad Pitt took her to the store, what was really going on in Harrison Ford's trailer during the filming of his and Pitt's movie The Devil's Own, and how Kirsten Dunst showed CraigX that she was quite the marijuana aficionado.

Click here to read more about Craig and his book 9021GROW.