It is not easy being a child star or having huge success and popularity at a young age. Just look at the current Justin Bieber public melt down for an ongoing example of how easy it is for young stars to spin out of control.
Many child stars do not look the same after they grow up. While it is unfair to call them all totally ugly, it is certainly easy to see many are not as cute as they once were.
Here is a top ten list of stars that changed dramatically, mostly for the worse, as they grew older.