American Idol was ranked as the most successful money making U.S. TV show in 2010 by Forbes magazine and here it comes up with a list of the top 10 highest earning American Idol contestants.

Carrie Underwood, the Season Four winner tops the list with earnings of $20 million. The second-place spot was a tie between Season Seven runner up Adam Lambert and Chris Daughtry (Season Five), who both toured over the past year, pulling in $6 million.