46th Annual Academy Of Country Music Awards - Rehearsals

performs during rehearsals for the 46th Annual Academy Of Country Music Awards on March 31, 2011 in Las Vegas, Nevada.

46th Annual Academy Of Country Music Awards - Rehearsals

performs during rehearsals for the 46th Annual Academy Of Country Music Awards on March 31, 2011 in Las Vegas, Nevada.

46th Annual Academy Of Country Music Awards - Rehearsals

performs during rehearsals for the 46th Annual Academy Of Country Music Awards on March 31, 2011 in Las Vegas, Nevada.

46th Annual Academy Of Country Music Awards - Concerts On Fremont - Day 1

performs onstage during the Academy of Country Music concerts on Fremont at the Fremont Street Experience on April 1, 2011 in Las Vegas, Nevada.

46th Annual Academy Of Country Music Awards - Concerts On Fremont - Day 1

performs onstage during the Academy of Country Music concerts on Fremont at the Fremont Street Experienceon April 1, 2011 in Las Vegas, Nevada.

46th Annual Academy Of Country Music Awards - Concerts On Fremont - Day 1

performs onstage during the Academy of Country Music concerts on Fremont at the Fremont Street Experience on April 1, 2011 in Las Vegas, Nevada.

46th Annual Academy Of Country Music Awards - Concerts On Fremont - Day 1

performs onstage during the Academy of Country Music concerts on Fremont at the Fremont Street Experience on April 1, 2011 in Las Vegas, Nevada.

46th Annual Academy Of Country Music Awards - Rehearsals

performs during rehearsals for the 46th Annual Academy Of Country Music Awards held at the MGM Grand Garden Arena on April 1, 2011 in Las Vegas, Nevada.

46th Annual Academy Of Country Music Awards - Rehearsals

performs during rehearsals for the 46th Annual Academy Of Country Music Awards held at the MGM Grand Garden Arena on April 2, 2011 in Las Vegas, Nevada.

46th Annual Academy Of Country Music Awards - ACM Fan Jam With Sugarland - Rehearsals

performs during rehearsals for the ACM Fan Jam With Sugarland as part of the 46th Annual Academy Of Country Music Awards held at the Mandalay Bay Events Center on April 2, 2011 in Las Vegas, Nevada.

46th Annual Academy Of Country Music Awards - Press Room

poses in the press room at the 46th Annual Academy Of Country Music Awards held at the MGM Grand Garden Arena on April 3, 2011 in Las Vegas, Nevada.

46th Annual Academy Of Country Music Awards - Press Room

poses in the press room at the 46th Annual Academy Of Country Music Awards held at the MGM Grand Garden Arena on April 3, 2011 in Las Vegas, Nevada.

46th Annual Academy Of Country Music Awards - Press Room

poses in the press room at the 46th Annual Academy Of Country Music Awards held at the MGM Grand Garden Arena on April 3, 2011 in Las Vegas, Nevada.

46th Annual Academy Of Country Music Awards - Show

onstage at the 46th Annual Academy Of Country Music Awards held at the MGM Grand Garden Arena on April 3, 2011 in Las Vegas, Nevada.

46th Annual Academy Of Country Music Awards - Arrivals

<> on April 3, 2011 in Las Vegas, Nevada.

46th Annual Academy Of Country Music Awards - Show

during the 46th Annual Academy of Country Music Awards at the MGM Grand Garden Arena April 3, 2011 in Las Vegas, Nevada.

ACM Presents Girls Night Out: Superstar Women Of Country - Rehearsals

performs during rehearsals for ACM's Girls Night Out: Superstar Women Of Country held at the MGM Grand Garden Arena on April 1, 2011 in Las Vegas, Nevada.

ACM Presents Girls Night Out: Superstar Women Of Country - Rehearsals

performs during rehearsals for ACM's Girls Night Out: Superstar Women Of Country held at the MGM Grand Garden Arena on April 1, 2011 in Las Vegas, Nevada.

ACM Presents Girls' Night Out: Superstar Women Of Country - Show

LAS VEGAS, NV - APRIL 04: Recording artist Vince Gill (L) and honoree Carrie Underwood perform during "Girls' Night Out: Superstar Women of Country - The Concert of the Year" presented by the Academy of Country Music at the MGM Grand Garden Arena April 4, 2011 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)

ACM Presents Girls' Night Out: Superstar Women Of Country - Show

LAS VEGAS, NV - APRIL 04: Recording artists Blake Shelton (L) and Miranda Lambert joke around during "Girls' Night Out: Superstar Women of Country - The Concert of the Year" presented by the Academy of Country Music at the MGM Grand Garden Arena April 4, 2011 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)

ACM Presents Girls' Night Out: Superstar Women Of Country - Show

LAS VEGAS, NV - APRIL 04: Singer Gary LeVox (L) of Rascal Flatts and honoree Reba McEntire perform during "Girls' Night Out: Superstar Women of Country - The Concert of the Year" presented by the Academy of Country Music at the MGM Grand Garden Arena April 4, 2011 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)

46th Annual Academy Of Country Music Awards - Show

LAS VEGAS, NV - APRIL 03: Recording artist Taylor Swift (C) performs during the 46th Annual Academy of Country Music Awards at the MGM Grand Garden Arena April 3, 2011 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)

46th Annual Academy Of Country Music Awards - Show

LAS VEGAS, NV - APRIL 03: Entertainers Marie Osmond (L) and Donny Osmond present an award during the 46th Annual Academy of Country Music Awards at the MGM Grand Garden Arena April 3, 2011 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)

46th Annual Academy Of Country Music Awards - Show

LAS VEGAS, NV - APRIL 03: (L-R) Charles Kelley, Hillary Scott and Dave Haywood of the group Lady Antebellum accept the Vocal Group of the Year Award during the 46th Annual Academy of Country Music Awards at the MGM Grand Garden Arena April 3, 2011 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)