'American Idol' Stars: Then & Now

The 27-year-old from Oklahoma and winner of season four has transformed from a small-town girl to a sophisticated superstar. "If you try and sum up what star quality is," says judge Simon Cowell, "it is a sense of style -- a sense of knowing who you are, a sense of being an individual and obviously having a good voice." Mathew Imaging/FilmMagic.com - March 9, 2005

The 27-year-old from Oklahoma and winner of season four has transformed from a small-town girl to a sophisticated superstar. "If you try and sum up what star quality is," says judge Simon Cowell, "it is a sense of style -- a sense of knowing who you are, a sense of being an individual and obviously having a good voice." Mathew Imaging/FilmMagic.com - March 9, 2005