she is one of the winners in American idol Note: and She's the most successful
kelly clarkson
Kelly Clarkson is the most successful world-wide selling artist to come out of American Idol.
Yup and she's the most successful world-wide American Idol. (ps: it's "Kelly Clarkson")
Between Kelly Clarkson and Carrie Underwood, Carrie Underwood is worth more. Out of all American Idol winners, Carrie Underwood has had the most successful career. In second place is Kelly!
Kelly Clarkson is the most successful. Clay aiken, is the only other guy I can think of.
Most likely Leona Lewis as she has been the most successful.
American Idol.
Most people forget about her debut album "Thankful". Her sophomore album "Breakaway" is what made her a star.
It depends on the popularity of their records.
In the USA, Carrie Underwood is the most successful Idolcontestant. As of today, May 17, 2009, she has sold over 10 Million albums and has won every major award in music (including 4 Grammys).Worldwide, the most successful Idol alumus is Kelly Clarkson with over 20 Million records sold and popularity in numerous countries.
American Idol