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3. Zach Galifianakis Gets High with Bill Maher

Zach Galifianakis

Zach Galifianakis is another Hollywood star who isn’t afraid to be vocal about his cannabis use. The Hangover actor definitely believes that marijuana should be legalized. He even went on Bill Maher’s show, lit up a joint and attempted to pass it around. Pass it here, Zach.

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