Most of us were guilty of singing into our hairbrushes as children, or performing in the driveway for family members -- fortunately, YouTube wasn't around for a lot of those memories. Celebrities on the other hand, are not so lucky.
Though a lot of stars got their start as child actors on shows like Mickey Mouse Club or singing on televised talent shows like Star Search, not every celebrity began his or her career on TV. Some auditioned for small roles or commercials, while others struggled to get comfortable performing in clubs.
We've gathered 15 videos of celebrities before they reached iconic status. Take a blast from the past by flipping through the gallery above.