ACM Presents: An All-Star Salute To The Troops - Roaming Show [Getty Images]

LAS VEGAS, NV - APRIL 07: Recording artist Carrie Underwood performs onstage during ACM Presents: An All-Star Salute To The Troops at the MGM Grand Garden Arena on April 7, 2014 in Las Vegas, Nevada. (Photo by Frazer Harrison/ACMA2014/Getty Images for ACM)

Getty Images Entertainment Frazer Harrison/ACMA2014