Hard to believe that the wisecracking middle son Randy from '90s sitcom "Home Improvement" is turning 30, but it's true! Jonathan Taylor Thomas will mark the big day on September 7. We're not sure how grown up he looks now since the most recent pic we could find was from 2003! Jean-Paul Aussenard/WireImage.com - January 11, 2003
Stars Turning 30 in 2011
See which stars are saying goodbye to their 20s in 2011.