The star of CBS's "Georgie & Mandy's First Marriage," Emily Osment, is an adventure seeker who once pack-rafted for hundreds of miles with legendary actress Demi Moore as a way to raise awareness for river conservation. The season finale of "Georgie & Mandy's First Marriage" airs Thursday night on CBS. #Colbert #Comedy #EmilyOsment #GeorgieandMandyCBS #TheLateShow #StephenColbert Subscribe To "The Late Show" Channel: http://bit.ly/ColbertYouTube Watch full episodes of "The Late Show": http://