Who would have thought dippy Kelso from That ’70s Show would go on to become a Hollywood powerhouse? Ashton Kutcher has clearly proved he’s got the looks and brains to successfully navigate the mercurial tastes of Hollywood. He shifted his wild days as a model into TV sitcom stardom. Then he became a reality-TV force, producing MTV’s Punk’d and Beauty and the Geek. Box-office leading-man status followed with a slew of movies, as well as a high-profile marriage (now ended) to Demi Moore. Snakkle looks back at the birthday boy’s incredible journey…