Earth Day may be Wednesday, but today there's another holiday that celebrates "green" living. (4/20, dude. Duh.) In honor of this high holiday, here's a quick look at some of the celebrities that may be partaking in today's festivities.
Once voted "Pot Smoker of the Year" by High Times magazine, Jack Black doesn't conceal his predilection for pot. And when you're biggest movies are "Kung Fu Panda," "Tropic Thunder," and "Bongwater," really why would you?