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Alanis Morissette Sighting In London - November 28, 2012

She has a song called "Mary Jane" and had a recurring role on the TV series “Weeds,” so it’s no surprise to learn songstress Alanis Morissette enjoys pot.  "As an artist, there's a sweet jump-starting quality to [marijuana] for me," Morissette told High Times in 2009. "I've often felt telepathic and receptive to inexplicable messages my whole life. I can stave those off when I'm not high. When I'm high -- well, they come in and there's less of a veil, so to speak. So if ever I need some clarity... or a quantum leap in terms of writing something, it's a quick way for me to get to it."

High Times in Hollywood: Celebs That Are Pro Pot

Yahoo Celebrity

For many celebrities, 420 is a national holiday. Take a look at which stars enjoy a little herb.