As the neon lights of the Las Vegas Strip twinkled behind them, some of country music's brightest stars descended on the desert for the three-day Route 91 Harvest Festival, which takes place in the middle of the famed boulevard. The festival, now in its third year, is a winner, living up to the expectations that it set in its previous years. Even the artists couldn't help but relish in the glitzy backdrop: Luke Bryan called it an "adult playground," while Chris Janson said it was "off the hook." And both singers, who will hit the road together on Bryan's upcoming Farm Tour, added their own bit of glitz to the stage. Here's the eight best things we saw at Route 91.