Ashton Kutcher: In , Kutcher’s late ex-girlfriend Brittany Murphy joked about the relationship between him and his then-wife Demi Moore on David Letterman: “To him age doesn’t matter and to her size doesn’t matter.” Followed by . Father-to-be Ashton Kutcher went shirtless on the Los Angeles set of his latest Lenovo Yoga Tablet commercial on Wednesday. The year-old actor displayed his toned swimmer's build in little more than sweatpants. The SAG Award nominee tried on two different T-shirts, and he reportedly acted with a little person and a goat for the British . Ashton Kutcher - Ashton Kutcher (born February is an American actor, producer, and former fashion model. He is best known for playing Michael Kelso on the Fox sitcom That Show and for his candid camera-style MTV show Punked.