Zach Galifianakis to Host 'Saturday Night Live'
Musical guest Jessie J joins for the March 12 episode.
Zach Galifianakis has been tapped to host Saturday Night Live on March 12.
The actor most recently finished filming on The Hangover 2, and stars in HBO comedy Bored to Death. This would mark his second appearance.
Musical guest Jessie J will perform, and her SNL gig is her first U.S. television appearance.
Miley Cyrus was previously announced as the host for this coming weekend's installment, with musical guest The Strokes.