Whenever we watch Ashton Kutcher being interviewed or in an episode of his MTV series Punk'd, we get the sense that the guy's having a good time. So it's fitting that when the Iowa native calls for our interview, he starts by saying, "I'm just having a party," despite being stuck inside all day doing phone interviews for his new movie, A Lot Like Love. Throughout the conversation, Ashton remains in high spirits while discussing Love, his final day on That '70s Show and how he's turning girlfriend Demi Moore's three daughters into Punk'd coconspirators. Heck, he even sings to us. Read on...