Zach Galifianakis Has A Special Date for ‘Hangover Pt 3′ PremiereZach Galifianakis Has A Special Date for ‘Hangover Pt 3′ PremiereActor Zach Galifianakis rescued a former laundress when she was homeless, and now she'll be his guest at the premiere of 'The Hangover Pt 3' tonight in Los Angeles!Stephanie CristStephanie Crist