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Jason Aldean, left, and Kelly Clarkson accept the award for single of the year for "Don't You Wanna Stay" at the 47th Annual Academy of Country Music Awards on Sunday, April 1, 2012 in Las Vegas. (AP Photo/Mark J. Terrill)

2012 ACM Awards

Carrie Underwood kicked off the Academy of Country Awards with a hard-charging blast of rock 'n' roll and a sexy black and magenta mini-dress.