Keith ranks at No. 1 on the list with an impressive set list of sales, touring revenue and business ventures. Keith writes all of his songs, owns his own recording label and even gives his name to a national chain of successful restaurants.
The three members of Rascal Flatts -- Gary LeVox, Jay DeMarcus and Joe Don Rooney -- have seen their share of success in the eight years since their first album with eight No. 1 singles and four No. 1 albums.
The artist dubbed country music's only metro-sexual has a reputation for being sensitive despite his masculine looks. His Soul2Soul II tour with his real-life leading lady, Faith Hill, was the second highest-grossing country tour of 2007.
Mad money does not always equal fame. These folks manage to skirt the public eye despite their billions. We're not talking about famous and reclusive. We're talking about being flat-out unknown among the masses.