Sometimes, Hollywood can be a dangerous place – especially for a child star.

From the beginning, everyone wants to please celebrities no matter what age they are. Whether they are given alcohol before they turn 21 or they started getting in with a bad crowd and abusing illegal substances. OR the pressure of the industry sometimes just gets to be too much and somewhere down the line things spiral out of control.

From Disney Channel stars to singers to movie actors and actresses, the temptations are real.

The positive side to all of this is that these stars knew when it was time to get help and are now living cleaner, happier and healthier lives.

Click through the gallery and let us know which celeb rehab story was the most shocking to you!