Galifianakis co-starred in the blockbusters "The Hangover" and "Due Date," and is also a cast member of HBO's "Bored to Death." He is to appear on the March 12 edition of "SNL." Galifianakis previously served as guest host last March.
British pop star Jessie J will be the musical guest on the March 12 episode of the sketch comedy series. This will mark her first "SNL" and U.S. television appearance, NBC noted.
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