Carrie Underwood wins ACM entertainer of the year

Carrie Underwood poses with her Entertainer of the Year award and triple crown award backstage at the 45th Annual Academy of Country Music Awards in Las Vegas on Sunday, April 18, 2010.

April 19, 2010 6:17:13 AM PDT
When Carrie Underwood took the gamble and tried out for "American Idol," she never imagined a night - or year - quite like this one.