Route 91 Harvest Fest 2015: Best Live Photos

Although they delivered one of the festival's biggest moments with a singalong version of "Need You Now," Lady Antebellum also found time to pay tribute to Nineties powerhouse Shania Twain with a  spirited version of her "Any Man of Mine."

With his forearm tattoos and ripped jeans, Gary Allan brought some modern-rock grit to his nighttime performance, where songs like "Her Man" and "Every Storm (Runs Out of Rain)" drew some of the loudest applause. 

Just in case genre-jumping singles like "Crash and Burn" didn't fully showcase Thomas Rhett's anything-goes approach to country music, the singer tossed covers like Mark Ronson and Bruno Mars' "Uptown Funk" into his Friday evening set. 

"They always wear their shorts a little shorter here in Las Vegas," Frankie Ballard joked on Friday afternoon, halfway through a main-stage set that doubled down on songs from his second album, Sunshine & Whiskey. 

Kicking off their headlining set with "It'z Just What We Do," Florida Georgia Line closed out the first night of Route 91 Harvest Fest with equal parts country twang and hick-hop bluster. 

During his Route 91 performance, Keith Urban juggled the roles of frontman, guitar hero and occasional bass player, tossing new single "John Cougar, John Deere, John 3:16" into a set of older standbys. 

Joe Nichols carried the sold-out crowd from the afternoon into the evening, playing nearly two decades' worth of hits during a sundown set on Saturday. 

Hours after a bus breakdown left them temporarily stranded in the California desert, A Thousand Horses hit the stage in time for a Friday evening sunset set, tossing covers like Otis Redding's "Hard to Handle" in between tracks from the band's debut Southernality.

The mellow yin to Florida Georgia Line's frat-party yang, Easton Corbin kept things easygoing during his Friday set, although a cover of Toby Keith's "Should've Been a Cowboy" provided plenty of opportunity to cut loose.

Rocker-turned-country-artist Dallas Smith dialed up the amplified noise on the "Next From Nashville" stage, playing songs like new single "Kids With Cars." He hit the main stage one day later, too, making him one of the weekend's most familiar faces. 

Swapping spots with A Thousand Horses, whose malfunctioning tour bus kept them stranded alongside a California highway for much of the afternoon, Gloriana kicked off the weekend with harmonies, hooks and high-legged sandals. 

Just several days shy of his All Time High Tour with Brothers Osborne, Jon Pardi hit the Route 91 main stage on Saturday afternoon, armed with a Fender Telecaster and hits like "Up All Night."

Shoeless and energized, Jake Owen spent the majority of his Sunday evening set running the full length of Route 91's main stage, delivering an armload of hits — including his most recent single, "Real Life" — along the way. 

Like the super-sized neon sign that splashed his name across the back of the stage, Brett Eldredge was bright and larger-than-life on Sunday evening, performing a set that paired his three chart-topping hits with newer tunes from last month's Illinois.  

The Cadillac Three brought "White Lightning" and heavy-metal thunder to their main stage set on Sunday afternoon, gluing the mix together with stomp, swagger and plenty of guitar distortion.