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ACM Winners' Circle

April 19, 2010 / 12:26 AM EDT / CBS News

AP Photo/Dan Steinberg

Carrie Underwood poses with her Entertainer of the Year award and triple crown award backstage at the 45th Annual Academy of Country Music Awards in Las Vegas on Sunday, April 18, 2010.

Photos: ACM Red Carpet 2010
Photos: Scenes from the ACM Awards
Carrie Underwood Wins Entertainer of the Year

Brad Paisley Poses with ACM Award

AP Photo/Dan Steinberg

Brad Paisley poses with the award for top male vocalist backstage at the 45th Annual Academy of Country Music Awards in Las Vegas on Sunday, April 18, 2010.

Photos: ACM Red Carpet 2010
Photos: Scenes from the ACM Awards
Carrie Underwood Wins Entertainer of the Year

Miranda Lambert Poses with ACM Awards

AP Photo/Dan Steinberg

Miranda Lambert poses with the awards for top female vocalist and album of the year backstage at the 45th Annual Academy of Country Music Awards in Las Vegas on Sunday, April 18, 2010.

Photos: ACM Red Carpet 2010
Photos: Scenes from the ACM Awards
Carrie Underwood Wins Entertainer of the Year

Trace Adkins and Blake Shelton Pose with ACM Awards

AP Photo/Dan Steinberg

Trace Adkins, right, and Blake Shelton pose with the award for vocal event of the year at the 45th Annual Academy of Country Music Awards in Las Vegas on Sunday, April 18, 2010.

Photos: ACM Red Carpet 2010
Photos: Scenes from the ACM Awards
Carrie Underwood Wins Entertainer of the Year

Kix Brooks and Ronnie Dunn Pose with ACM Awards

AP Photo/Dan Steinberg

Kix Brooks, right, and Ronnie Dunn, of Brooks and Dunn pose with the award for best vocal duo backstage at the 45th Annual Academy of Country Music Awards in Las Vegas on Sunday, April 18, 2010.

Photos: ACM Red Carpet 2010
Photos: Scenes from the ACM Awards
Carrie Underwood Wins Entertainer of the Year

Luke Bryan Poses with ACM Award

AP Photo/Dan Steinberg

Luke Bryan poses with the top new artist award backstage at the 45th Annual Academy of Country Music Awards in Las Vegas on Sunday, April 18, 2010.

Photos: ACM Red Carpet 2010
Photos: Scenes from the ACM Awards
Carrie Underwood Wins Entertainer of the Year

Montgomery Gentry Poses with ACM Award

AP Photo/Dan Steinberg

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

Photos: ACM Red Carpet 2010
Photos: Scenes from the ACM Awards
Carrie Underwood Wins Entertainer of the Year

Lady Antebellum Poses with ACM Awards

AP Photo/Dan Steinberg

Left to right, Charles Kelley, Hillary Scott and Dave Haywood of Lady Antebellum pose with their awards for Top Vocal Group, Single Record of the Year and Song of the Year backstage at the 45th Annual Academy of Country Music Awards in Las Vegas on Sunday, April 18, 2010.

Photos: ACM Red Carpet 2010
Photos: Scenes from the ACM Awards
Carrie Underwood Wins Entertainer of the Year