9:05pm PT by Aaron Couch
Zach Galifianakis to Host 'Saturday Night Live'
Zach Galifianakis is headed back to Saturday Night Live.
The Hangover Part III star will host the May 4 show, NBC announced during Saturday's episode. He will be joined by musical guest Of Monsters and Men. The comedian most recently hosted in 2011 to rave reviews. A year earlier, he hosted for the first time in March 2010.
SNL airs Saturdays at 11:30 p.m. on NBC.