Before some of our favorite actors, music stars and TV sensations hit it big, what exactly were they up to? Before the glitz and glam of Hollywood took over, how did they live their lives?

Did they toe the line and obey the rules? Was the most embarrassing encounter they had with the police that time they were pulled over for a broken tail light?

Let's face the facts – no one is that good. And while we'd like to believe that many celebs, prior to their days of fame, led good, wholesome, happy lives, this is most definitely not the case. And we're willing to bet that you'll be blown away by the dark secrets hidden in the past lives of these famous stars.

Take Tim Allen, for instance. The voice behind our beloved Buzz Lightyear, and the silly, family-friendly star of Home Improvement certainly can't have many dark secrets. What on earth could funny-guy Tim Allen have to hide? Believe it or not, prior to his big break, Tim Allen was arrested at an airport for drug trafficking. Yikes.

But let's remember, we're all human. Everyone makes mistakes, and it's likely that many of these stars have learned their lesson (even if they had to learn it the hard way).