Carrie Underwood to Perform on Idol Finale

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Fresh off her second consecutive win as Top Female Vocalist at the Academy of Country Music Awards, Carrie Underwood will return to the American Idol stage on Wednesday night to perform on the season 7 show finale.

The former Idol winner will sing her smash hit "Last Name." Underwood is currently headlining her Carnival Ride tour with special guest Josh Turner. Her debut album, Some Hearts, was recently certified 7x-Platinum, becoming the best-selling solo female country debut in RIAA history. Some Hearts has also surpassed all other releases as the all-time U.S. top-selling album by any American Idol contestant.