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Gretchen Wilson performs onstage during the Academy of Country Music All-Star Concert at the Fremont Street Experience in Las Vegas on May 13, 2007.
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Gretchen Wilson, center, becomes an honorary member of Heart as she performs with the band's founders, Ann Wilson, left, and Nancy Wilson onstage during the Academy of Country Music All-Star Concert at the Fremont Street Experience in Las Vegas on May 13, 2007. The awards air on CBS on May 15.
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A young fan gets a boost as he enjoys Gretchen Wilson in concert during the Academy of Country Music All-Star Concert at the Fremont Street Experience in Las Vegas on May 13, 2007
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Musicians Kix Brooks, left, and Ronnie Brooks from the band Brooks & Dunn perform during the rehearsals for the 42nd Academy of Country Music Awards held at the MGM Grand Garden Arena in Las Vegas on May 13, 2007. Brooks & Dunn are nominated for entertainer of the year.
CBS
From left, Kix Brooks, Josh Turner and Ronnie Brooks pose during the rehearsals for the 42nd Academy of Country Music Awards held at the MGM Grand Garden Arena in Las Vegas on May 13, 2007.
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Singer Josh Tuner performs during the rehearsals for the 42nd Academy of Country Music Awards held at the MGM Grand Garden Arena in Las Vegas on May 13, 2007.
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Musician Phil Vassar performs onstage during day two of the Academy of Country Music All-Star Concert at the Fremont Street Experience in Las Vegas on May 13, 2007.
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A general view during day two of the Academy of Country Music All-Star Concert at the Fremont Street Experience in Las Vegas on May 13, 2007.
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Musician Rodney Atkins performs during the rehearsals for the 42nd Academy of Country Music Awards held at the MGM Grand Garden Arena in Las Vegas on May 13, 2007. Atkins is nominated for top new male vocalist.
CBS
Vince Gill performs during the rehearsals for the 42nd Academy of Country Music Awards held at the MGM Grand Garden Arena in Las Vegas on May 13, 2007.
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Jimi Westbrook, Karen Fairchild, Phillip Sweet and Kimberly Roads of the band Little Big Town perform during the rehearsals for the 42nd Academy of Country Music Awards held at the MGM Grand Garden Arena in Las Vegas on May 13, 2007. The band is nominated for top vocal group and top new duo or group.
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Musician Taylor Swift performs onstage during the rehearsals for the 42nd Academy of Country Music Awards held at the MGM Grand Garden Arena in Las Vegas on May 13, 2007. Swift is nominated for top new female vocalist.
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Reba McEntire, left, and producer/writer Barry Adelman go over material onstage during the rehearsals for the 42nd Academy of Country Music Awards held at the MGM Grand Garden Arena in Las Vegas on May 13, 2007. McEntire is the host of the event, which airs May 15 on CBS.
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Musician Miranda Lambert performs onstage during the rehearsals for the 42nd Academy of Country Music Awards held at the MGM Grand Garden Arena in Las Vegas on May 13, 2007. Lambert is nominated for top new female vocalist and top female vocalist.
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Placeholders for artists Kenny Chesney and Sara Evans are seen in seats during a rehearsal for the 42nd Annual Academy of Country Music Awards at the MGM Grand Garden Arena in Las Vegas May 12, 2007.