See how past contestants' shapes have changed
Carrie Underwood - After
"I'm slightly obsessive-compulsive about what I eat, more than I should be. I write down everything I eat," the season four champ (at Elton John's Oscar party last month) told Glamour magazine in 2006. "I started doing it last year. And in the last year is when I've gotten more healthy and lost weight."
Credit: Mark Sullivan/WireImage.com