Eric Church sang "Like Jesus Does" to a cheering crowd during his second of two shows at Red Rocks Amphitheater in Colorado on Aug. 10 -- and he had a little help from a special guest, rising country star Cam.

“I’m gonna bring out some help up here on this next song. One of my favorite artists that’s out right now,” Church said before starting his 2013 single ... and midway through the tune, out walked Cam. Church smiled as she walked to center stage to join him for the chorus, and their beautiful duet echoed across the amphitheater's titular red rocks as the crowd sang along.

It was a magical evening, for both the audience and the up-and-coming singer: “I don’t know how to give enough gratitude for this moment," Cam posted on her Instagram account. "Got to sing with my idol, @ericchurchmusic.”

Cam's appearance came during the second of two acoustic shows that Church performed at Red Rocks Amphitheater. The first night, he performed a powerful cover of Leonard Cohen's "Hallelujah" -- and announced his 2017 Holdin' My Own Tour right before he took the stage. The trek will feature over 50 stops and no opening acts; instead, Church will perform two full sets every night.

“The way this album came together mandated we release it as a surprise, straight to our fans, as it was important for me to deliver the music the same way the creativity hit me — directly and swiftly. What I didn’t anticipate is that it left me scratching my head a little, as this year was supposed to be spent writing.” Church explains. “What this year’s open schedule did afford us was time to think through the way the fans experience our music live, and it was important to us that we find a way to stick to these same principles when it came to approaching our shows, down to the way they go on sale.”

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