1 of 20 Tim Mosenfelder/Getty Images
Alison Krauss
Nominated For: Female Vocalist of the Year and Musical Event of the Year with Led Zeppelin's Robert Plant
2 of 20 Tony R. Phipps/WireImage.com
Miranda Lambert
Nominated For: Female Vocalist of the Year and Single of the Year for "Gunpowder & Lead"
3 of 20 Kevin Mazur/WireImage.com
Martina McBride
Nominated For: Female Vocalist of the Year
4 of 20 Tony R. Phipps/WireImage.com
Taylor Swift
Nominated For: Female Vocalist of the Year
5 of 20 Stephen Lovekin/Getty Images
Carrie Underwood
Nominated For: Female Vocalist of the Year and Album of the Year for Carnival Ride
6 of 20 George Napolitano/FilmMagic.com
Kenny Chesney
Nominated For: Male Vocalist of the Year, Music Event of the Year (twice) with Reba McEntire and George Strait, Single of the Year for "Don't Blink," Album of the Year for Just Who I Am: Poets and Pirates, Music Video of the Year and Entertainer of the Year
7 of 20 C Flanigan/FilmMagic.com
Alan Jackson
Nominated For: Male Vocalist of the Year, Album of the Year for Good Time, Song of the Year for "Good Time" and Music Video of the Year for "Good Time"
8 of 20 Gary Miller/FilmMagic.com
Brad Paisley
Nominated For: Male Vocalist of the Year, Song of the Year for "Letter to Me," Music Video of the Year for "Waitin' on a Woman" and Entertainer of the Year
9 of 20 Kevin Winter/Getty Images
George Strait
Nominated For: Male Vocalist of the Year, Single of the Year for "I Saw God Today," Album of the Year for Troubadour, Musical Event of the Year with Kenny Chesney and Entertainer of the Year
10 of 20 Frederick Breedon/WireImage.com
Keith Urban
Nominated For: Male Vocalist of the Year and Entertainer of the Year
11 of 20 Robert Vos/AFP/Getty Images
Eagles
Nominated For: Vocal Group of the Year
12 of 20 Rick Diamond/WireImage.com
Emerson Drive
Nominated For: Vocal Group of the Year
13 of 20 Ethan Miller/Getty Images
Lady Antebellum
Nominated For: Vocal Group of the Year
14 of 20 Kevin Winter/Getty Images
Little Big Town
Nominated For: Vocal Group of the Year and Musical Event of the Year with Sugarland and Jake Owen
15 of 20 Kevin Winter/ACMA/Getty Images/ACMA
Rascal Flatts
Nominated For: Vocal Group of the Year
16 of 20 Derek Storm/FilmMagic.com
Big & Rich
Nominated For: Vocal Duo of the Year
17 of 20 Rusty Russell/Getty Images
Brooks & Dunn
Nominated For: Vocal Duo of the Year and Album of the Year for Cowboy Town
18 of 20 Tony R. Phipps/WireImage.com
Montgomery Gentry
Nominated For: Vocal Duo of the Year
19 of 20 Rick Diamond/WireImage.com
Sugarland
Nominated For: Vocal Duo of the Year, Single of the Year for "Stay", Music Video of the Year for "Stay" and Musical Event of the Year with Little Big Town and Jake Owen
20 of 20 Rick Diamond/WireImage.com
The Wreckers
Nominated For: Vocal Duo of the Year