Carrie Underwood
In two years, this tiny blonde with a sparkling smile and powerhouse voice went from small-town Oklahoma girl who'd never been on a plane to a sequin-wearing, globe-trotting, Grammy-winning country superstar thanks to her successful run on season 4 of American Idol. (She also made good on her promise to graduate magna cum laude from Northeastern State University during this time.) PETA's 2005 World's Sexiest Vegetarian honed her craft on the local talent show, play and pageant circuit before auditioning for the Fox reality show, where she started to amass her army of Care Bears. Within a year of her