Nicole Kidman and Keith Urban are all smiles as they make their way into the ceremony Sunday.

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Last year's "American Idol" winner Scotty McCreery arrives at the 47th Annual Academy of Country Music Awards on Sunday in Las Vegas.

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Carrie Underwood, fresh off the release of her first album in three years, poses for photographers as she makes her way into the awards show.

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Jennifer Nettles, of musical group Sugarland, shows off her fashionable side ahead of the ceremony.

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LeAnn Rimes has a little laugh with husband and actor, Eddie Cibrian, along the red carpet.

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Train lead singer Pat Monahan arrives at the 47th Annual Academy of Country Music Awards on Sunday in Las Vegas.

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"NCIS: LA" star LL Cool J trades in hosting duties for a seat in the audience for this awards show.

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Marc Anthony, seen here with his date Shannon De Lima, was slated to present during the ceremony.

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From left, Charles Kelley, Hillary Scott and Dave Haywood, of musical group Lady Antebellum, were up for Vocal Group of the Year.

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Sara Evans walks the red carpet solo.

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Singer-songwriter Taylor Swift rocks a more sophisticated look along the red carpet.

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Actor, comedian and banjo player Steve Martin arrives at the 47th Annual Academy of Country Music Awards on Sunday in Las Vegas.

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Big Kenny, left, John Rich, of musical group Big and Rich, had a little fun goofing around on the red carpet.

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Dierks Bentley arrives at the 47th Annual Academy of Country Music Awards on Sunday in Las Vegas.

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Yes, it's KISS at the Academy of Country Music Awards. From left, Gene Simmons, Eric Singer, Tommy Thayer and Paul Stanley, have some fun along the red carpet.

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ACM co-host Blake Shelton takes a moment to walk the press line with his wife, singer-songwriter Miranda Lambert, before joining Reba McEntire to emcee the event.

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Sonia Leigh, right, and musical group Zac Brown Band arrives at the 47th Annual Academy of Country Music Awards on Sunday, April 1, 2012 in Las Vegas.

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Joshua Scott Jones and Meghan Linsey, of musical group Steel Magnolia, are up for Vocal Duo of the Year at this year's awards.

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Jason Aldean, nominated for Male Vocalist of the Year as well as Enterainer of the Year escorts his wife, Jessica, into the awards show.

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Singer Luke Bryan sports a preppier look with his red carpet get-up.

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Kristian Bush, left, and Jennifer Nettles, of musical group Sugarland, show no nerves ahead of the ceremony. The duo was up for Vocal Duo of the Year.

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Carrie Underwood who has released her first album in three years continues her streak of glamorous red carpet apperances.

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From left, Phillip Sweet, Kimberly Schlapman, Karen Fairchild and Jimi Westbrook, of musical group Little Big Town, arrive at the 47th Annual Academy of Country Music Awards.

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From left, Cherrill Green, Hannah Blaylock and Dean Berner, of musical group Edens Edge arrive at the 47th Annual Academy of Country Music Awards.

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From left, Neil Perry, Kimberly Perry and Reid Perry, of musical group The Band Perry, make it a family night. The band is up for Vocal Goup of the Year.

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Darius Rucker, left, and Montel Williams have a few laughs before heading into the ceremony.

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