Scenes from the ACM Awards

Miranda Lambert, left, and Carrie Underwood perform at the 45th Annual Academy of Country Music Awards in Las Vegas on Sunday, April 18, 2010.

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Carrie Underwood, Brad Paisley and More Perform at ACMs

From left, John Fogerty, Miranda Lambert, Carrie Underwood, Brad Paisley and Charlie Daniels perform at the 45th Annual Academy of Country Music Awards in Las Vegas on Sunday, April 18, 2010.

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Reba McEntire Hosts ACM Awards

Reba McEntire hosts the 45th Annual Academy of Country Music Awards in Las Vegas on Sunday, April 18, 2010.

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Cher on Stage at ACM Awards

Cher is seen on stage at the 45th Annual Academy of Country Music Awards in Las Vegas on Sunday, April 18, 2010.

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Trace Adkins and Blake Shelton Perform at ACM Awards

Trace Adkins, left, and Blake Shelton are seen on stage at the 45th Annual Academy of Country Music Awards in Las Vegas on Sunday, April 18, 2010.

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Billy Currington Performs at ACM Awards

Billy Currington performs at the 45th Annual Academy of Country Music Awards in Las Vegas on Sunday, April 18, 2010.

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Laura Bell Bundy Performs at ACM Awards

Laura Bell Bundy, center, performs at the 45th Annual Academy of Country Music Awards in Las Vegas on Sunday, April 18, 2010.

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Lady Antebellum Wins Song of the Year

From left, Dave Haywood, Hillary Scott, and Charles Kelley, of the band Lady Antebellum, accept the song of the year award at the 45th Annual Academy of Country Music Awards in Las Vegas on Sunday, April 18, 2010.

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Kenny Chesney Performs at ACM Awards

Kenny Chesney performs at the 45th Annual Academy of Country Music Awards in Las Vegas on Sunday, April 18, 2010.

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Toby Keith and Dave Koz Perform at ACM Awards

Toby Keith, left, and Dave Koz peform at the 45th Annual Academy of Country Music Awards in Las Vegas on Sunday, April 18, 2010.

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Taylor Swift Performs at ACM Awards

Taylor Swift performs at the 45th Annual Academy of Country Music Awards in Las Vegas on Sunday, April 18, 2010.

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Taylor Swift Performs at ACM Awards

Taylor Swift performs at the 45th Annual Academy of Country Music Awards in Las Vegas on Sunday, April 18, 2010.

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Faith Hill on Stage at ACM Awards

Faith Hill is seen at the 45th Annual Academy of Country Music Awards in Las Vegas on Sunday, April 18, 2010.

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Lady Antebellum Performs at ACM Awards

From left, Charles Kelley, Hillary Scott, and Dave Haywood, of the band Lady Antebellum, perform at the 45th Annual Academy of Country Music Awards in Las Vegas on Sunday, April 18, 2010.

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Carrie Underwood Accepts ACM Triple Crown Award

Carrie Underwood accepts the triple crown award at the 45th Annual Academy of Country Music Awards in Las Vegas on Sunday, April 18, 2010.

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Gloriana Performs at ACM Awards

Gloriana performs at the 45th Annual Academy of Country Music Awards in Las Vegas on Sunday, April 18, 2010.

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Joey & Rory Perform at ACM Awards

Joey Martin Feek, left, and Rory Lee Feek, of the country music duo Joey & Rory perform at the 45th Annual Academy of Country Music Awards in Las Vegas on Sunday, April 18, 2010.

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Julianne Hough Congratulates Luke Bryan at ACMs

Julianne Hough, right, presents the top new artist award to Luke Bryan at the 45th Annual Academy of Country Music Awards in Las Vegas on Sunday, April 18, 2010.

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Rascal Flatts Performs at ACM Awards

From left, Joe Don Rooney, Gary LeVox, and Jay DeMarcus, of Rascal Flatts, perform at the 45th Annual Academy of Country Music Awards in Las Vegas on Sunday, April 18, 2010.

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Miranda Lambert Performs at ACM Awards

Miranda Lambert performs at the 45th Annual Academy of Country Music Awards in Las Vegas on Sunday, April 18, 2010.

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Brooks & Dunn Perform at ACM Awards

Kix Brooks, left, and Ronnie Dunn, of Brooks and Dunn perform at the 45th Annual Academy of Country Music Awards in Las Vegas on Sunday, April 18, 2010.

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Darius Rucker and Reba McEntire on Stage at ACMs

Darius Rucker, left, and Reba McEntire are seen on stage at the 45th Annual Academy of Country Music Awards in Las Vegas on Sunday, April 18, 2010.

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LeAnn Rimes on Stage at ACM Awards

LeAnn Rimes is seen at the 45th Annual Academy of Country Music Awards in Las Vegas on Sunday, April 18, 2010.

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Montgomery Gentry Accepts Humanitarian Award

Eddie Montgomery, left, and Troy Gentry, of Montgomery Gentry, accept the Home Depot Humanitarian award at the 45th Annual Academy of Country Music Awards in Las Vegas on Sunday, April 18, 2010.

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Jack Ingram and Dierks Bentley Perform at ACM Awards

Jack Ingram, center, and Dierks Bentley are surrounded by fans as they perform at the 45th Annual Academy of Country Music Awards in Las Vegas on Sunday, April 18, 2010.

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Keith Urban Performs at ACM Awards

Keith Urban performs at the 45th Annual Academy of Country Music Awards in Las Vegas on Sunday, April 18, 2010.

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Tim McGraw Performs at ACM Awards

Tim McGraw performs at the 45th Annual Academy of Country Music Awards in Las Vegas on Sunday, April 18, 2010.

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Matthew McConaughey on Stage at ACM Awards

Matthew McConaughey is seen on stage at the 45th Annual Academy of Country Music Awards in Las Vegas on Sunday, April 18, 2010.

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Brad Paisley Performs at ACM Awards

Brad Paisley performs at the 45th Annual Academy of Country Music Awards in Las Vegas on Sunday, April 18, 2010.

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Carrie Underwood Wins ACM Entertainer of the Year

Carrie Underwood accepts the award for Entertainer of the Year at the 45th Annual Academy of Country Music Awards in Las Vegas on Sunday, April 18, 2010.

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Carrie Underwood Makes ACM History