LAS VEGAS, NV – JUNE 19: Recording artist Reba McEntire performs during the opening weekend of her residency “Reba, Brooks & Dunn: Together in Vegas” with Kix Brooks and Ronnie Dunn (not pictured) at The Colosseum at Caesars Palace on June 19, 2015 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)