Christopher Ashton Kutcher (February 7, 1978) is an American actor, producer, and former model. He is known for his portrayal of Michael Kelso in the Fox sitcom That '70s Show. He also created, produced, and hosted Punk'd and had lead roles in the Hollywood films Jobs, Dude, Where's My Car?, Just Married, The Butterfly Effect, The Guardian, and What Happens in Vegas. Kutcher currently stars as Walden Schmidt on the CBS sitcom Two and a Half Men, since Charlie Sheen's firing from the show in 2011. Seems that he is engaged again since February 2014 after his 9 years relation with Demi Moore