8. Ruben Studdard
Winner; Season 2
Number of albums sold: 2,726,000
Net worth: $3 million
The episode that declared Ruben Studdard as the winner is the most watched finale of American Idol. Since then, Ruben has received a Grammy Award nomination in the category of Best Male R&B Vocal Performance and has released six albums. Even though his last album was released more than two years ago, we’re sure he is quite happy with how his career has turned out.
