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"The Hangover" London Premiere - Inside Arrivals

LONDON, ENGLAND - JUNE 10: Actor Zach Galifianakis is carried by (L-R) actress Heather Graham, director Todd Phillips and actors Bradley Cooper and Justin Bartha as they attend 'The Hangover' film premiere at Vue West End cinema on June 10, 2009 in London, England. (Photo by Jon Furniss/WireImage)

Celebs We'd Love to Party With on St. Patrick's Day

St. Patrick's Day is best enjoyed with your mere mortal friends. Incriminating photos, ridiculous accessories, and a full-on green attack are the highlights of the holiday. But what about some of Hollywood's most notorious party people? Don't you ever fantasize about weathering Hurricane Shamrock with them? We've comprised a list of celebs we'd most love to get down with on St. Patty's Day.