13. CARRIE UNDERWOOD

Show: American Idol
Arguably the most successful American Idol winner ever, Carrie Underwood has won several Grammys, Country Music Awards, American Music Awards and was even nominated for a Golden Globe. The gracious and gorgeous fourth winner of the long-running singing competition has had a number of sold-out tours, hosted her own CMT Invitation Only, and starred in the mainstream Hollywood film, Soul Surfer.