Musician Blake Shelton at the 46th Annual Academy Of Country Music Awards - Rehearsals

Musician Blake Shelton at the 46th Annual Academy Of Country Music Awards - Rehearsals

Photo by Kevin Winter/Getty Images for ACM

Blake Shelton

Blake Shelton rehearsing his performance for the 46th Annual Academy Of Country Music Awards in Las Vegas

Photo by Kevin Winter/Getty Images for ACM

Musician Blake Shelton

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

Photo by Kevin Winter/Getty Images for ACM

46th Annual Academy Of Country Music Awards - Rehearsals

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

Photo by Kevin Winter/Getty Images for ACM

Blake Shelton

Musician Blake Shelton onstage during rehearsals for the 46th Annual Academy Of Country Music Awards on March 31, 2011 in Las Vegas, Nevada

Photo by Kevin Winter/Getty Images for ACM

Blake Shelton

ACM Nominee and co-host Blake Shelton performed during rehearsals for the 46th Annual Academy Of Country Music Awards

Photo by Kevin Winter/Getty Images for ACM

Blake Shelton (L) and ACM Awards Executive Producer R.A. "Rac" Clark

Musician Blake Shelton on-stage during the rehearsals with ACM Awards Executive Producer R.A. "Rac" Clark Las Vegas, Nevada.

Photo by Kevin Winter/Getty Images for ACM

Musician/Co-Host Blake Shelton

Blake Shelton will co-host the ACM's with Reba McEntire on Sunday night. Rehearsals in Las Vegas are going on.

Photo by Kevin Winter/Getty Images for ACM

46th Annual Academy Of Country Music Awards - Rehearsals

46th Annual Academy Of Country Music Awards - Rehearsals

Photo by Kevin Winter/Getty Images for ACM

Blake Shelton at Rehearsals

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

Photo by Kevin Winter/Getty Images for ACM

46th Annual Academy Of Country Music Awards - Rehearsals

46th Annual Academy Of Country Music Awards - Rehearsals with Blake Shelton

Photo by Kevin Winter/Getty Images for ACM

Celebrity seat place cards

Celebrity seat place cards are displayed during rehearsals for the 46th Annual Academy Of Country Music Awards on March 31, 2011 in Las Vegas, Nevada.

Photo by Kevin Winter/Getty Images for ACM