Luke Bryan wins big at the American Country Awards

Luke Bryan accepts the award for Artist of the Year during the American Country Awards on Monday in Las Vegas.

Lady Antebellum accepting award for Group of the Year during the American Country Awards on Monday, Dec. 10, 2012, in Las Vegas. (Al Powers/Powers Imagery/Invision/AP)

Lady Antebellum accepting award for Group of the Year during the American Country Awards on Monday, Dec. 10, 2012, in Las Vegas. (Al Powers/Powers Imagery/Invision/AP)

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