Carrie Underwood

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**FILE** Carrie Underwood, nominated for top female vocalist, guides boyfriend, Dallas Cowboys quarterback Tony Romo, along the red carpet as they arrive at the 42nd Annual Academy of Country Music Awards on Tuesday, May 15, 2007, in Las Vegas. (AP Photo/Jae C. Hong)

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Grammy-winning singer Carrie Underwood will star as Maria von Trapp in NBC’s live broadcast of “The Sound of Music” planned for late next year. (Associated Press)

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** FILE ** Carrie Underwood, left, and Mike Fisher arrive at the 40th Anniversary American Music Awards on Sunday, Nov. 18, 2012, in Los Angeles. (Photo by Jordan Strauss/Invision/AP)

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Hosts Brad Paisley, left, and Carrie Underwood dance onstage at the 46th Annual Country Music Awards at the Bridgestone Arena on Thursday, Nov. 1, 2012, in Nashville, Tenn. (Photo by Wayde Payne/Invision/AP)

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Carrie Underwood performs onstage at the 46th Annual Country Music Awards at the Bridgestone Arena on Thursday, Nov. 1, 2012, in Nashville, Tenn. (Photo by Wade Payne/Invision/AP)

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Carrie Underwood arrives at the 46th Annual Country Music Awards at the Bridgestone Arena on Thursday, Nov. 1, 2012, in Nashville, Tenn. (Photo by Chris Pizzello/Invision/AP)

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Carrie Underwood, left, and her husband Mike Fisher arrive at the 46th Annual Country Music Awards at the Bridgestone Arena on Thursday, Nov. 1, 2012, in Nashville, Tenn. (Photo by Chris Pizzello/Invision/AP)

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** FILE ** Carrie Underwood and Brad Paisley co-host the 45th annual CMA Awards in Nashville, Tenn., on Wednesday, Nov. 9, 2011. (AP Photo/Mark Humphrey)

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Country singer Carrie Underwood gave a 12-year-old boy his first kiss on stage in front of thousands at a concert in Louisville, Ky., over the weekend. (Associated Press)

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Carrie Underwood performs Wednesday in Nashville, Tenn., at the 2012 CMT Music Awards, where she won video of the year for the third time and also collaboration of the year. (Associated Press)

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In this album cover image released by Sony Music Nashville, the latest release by Carrie Underwood, "Blown Away," is shown. (AP Photo/Sony Music Nashville)

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Steven Tyler and Carrie Underwood perform this past April at the Academy of Country Music Awards in Las Vegas. The singers will team up again the night before the Super Bowl for a "CMT Crossroads" special. (Associated Press)