Jack Osbourne Is Going To Be A Daddy October 11, 2011 by Robyn Good Leave a Comment Ozzy Osbourne is going to be a grandpa! Jack Osbourne has revealed that his fiance Lisa Stelly is pregnant. “I’m excited. I’m a little nervous,” Osbourne said Tuesday on Piers Morgan Tonight. Osbourne and Stelly announced their engagement two weeks ago. This will be their first child.