'Hangover' star Zach Galifianakis hosted 'Saturday Night Live' this weekend, and first appeared on stage with his signature beard. Throughout most of the night, Galifianakis sported the facial hair, except for the last sketch of the evening, where he donned just a mustache in a hilarious pageant scene. It turns out the comedian ran backstage between skits and buzzed off his trademark beard, only to sport fake facial hair to close the show. Watch It Below: