Back in his clean-cut early days - Dylan looks SO cute! This image appears in the gallery:27 Of The HOTTEST Dylan 'O Brien Pics GUARANTEED To Make You Fall In Love With The Teen Wolf Star 18. Back in his clean-cut early days - Dylan looks SO cute! Picture: Getty 27 images See the full gallery: 27 Of The HOTTEST Dylan 'O Brien Pics GUARANTEED To Make You Fall In Love With The Teen Wolf Star