When Jon Stewart took for Craig Kilborn as host of 'The Daily Show' he was a fresh-faced 33-year-old. Jon's been providing scathing social commentary for 16 years and now we have a time-lapse video of his aging process. He's a little grayer and got a couple extra wrinkles, but overall not much has changed. 

Turns out all of those Moments of Zen aren't a secret fountain of youth. 

Source: billychasen