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.
Celebrity Families of 2014 [PHOTOS]