Arnold Klein, Michael Jackson's longtime friend, dermatologist and rumored biological father to Jackson's kids, spoke out in an interview with Diane Sawyer.

When Sawyer asked him about the speculation that he fathered Jackson's kids Prince Michael, Paris and blanket, Klein looked uncomfortable and responded, ""To the best of my knowledge I am not the father of these children," Klein said. "I can't answer it in any other way. I don't want to feed any of this insanity...