When you start out in Hollywood at a young age, it's not too difficult to amass a huge fortune over the years.
In fact, many current and former child stars have incredible net worths that will sustain them for the rest of their lives.
Richest Child Stars
In this gallery, we're taking a look at the richest and most successful young stars who you've enjoyed in classic TV series, popular movies, and today's best sitcoms.
Click through the gallery to see the child stars with the biggest net worths, from the Harry Potter stars to the Olsen twins!