One more declared, "Kenny and OD! The best combo!" This isn't Chesney's first surprise guest at the Sphere, however. As one fan noted, "He's full of surprises!

Kenny Chesney will become the first country artist to play the Las Vegas Sphere with a 12-show residency this spring. Here's what to expect.

Before Kenny Chesney took the stage for his Friday night concert at the Sphere, ... “Kenny Chesney: Live at Sphere Las Vegas” continues at 8 p.m. tonight, Friday and Saturday at Sphere.

Kenny Chesney Shocks Fans with Surprise Concert Guests: 'The Best Combo' originally appeared on Parade. Country singer Kenny Chesney just kicked off his summer residency at The Sphere in Las Vegas ...