When Kenny Chesney and Jason Aldean get together for a show, it's guaranteed to be fun ... and big. Throw in Brantley Gilbert, Cole Swindell and Old Dominion and you've got the makings for a monstrous party in Denver's Mile High Stadium.

Old Dominion got things started at the Aug. 8 Colorado show, and fans were happy to hear their latest single, "Break Up With Him." Swindell took the stage next, quickly reminding the rowdy crowd why he was up for New Artist of the Year at the ACMs. He's still a newbie, but has a lot of hits that get everyone singing along. Swindell of course thanked Chesney for having him on tour, singing "Blame It on Chesney" instead of blaming it on the whiskey.

Gilbert was up next to rock country music in a way that only he can. While he included BG Nation's favorites, he also brought out a few rock songs for a medley that included Metallica, Korn and Disturbed. "One Hell of an Amen," his latest No. 1 hit, was dedicated to fallen soldiers.

Aldean, who is now big enough to headline his own stadium shows, played just before Chesney and sang hit after hit. "My Kinda Party," "Amarillo Sky," "Johnny Cash," "Big Green Tractor" and "Hicktown" were just some of the songs he churned out, also taking a moment to reminisce on the 10 year anniversary of "Hicktown." It was quite a set!

Finally, it was time for country's resident beach (not so) bum. Chesney brought out "Beer in Mexico," "Summertime," "Pirate Flag" and "No Shoes, No Shirt, No Problems" wearing his tank top and cowboy hat — his signature look. An epic encore included Aldean for a duet of "She Thinks My Tractor's Sexy" and Aldean's "The Only Way I Know."

Didn't catch this insane collaboration of top country artists? Never fear, we've got you covered. Just check out the gallery above to live out the fun-filled evening in pictures.

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