Watch Blake Shelton Lip Sync a Niall Horan Song in New Video

Apparently, Blake Shelton likes more than just country music.

Blake Shelton may have a new pre-show ritual, and apparently it involves Niall Horan.

The country crooner had a quick jam session in-trailer over the weekend before going on stage for his "Back To The Honky Tonk Tour," where he warmed up for the show with an amusing performance of Horan's new single, "Heaven."

Shelton, 46, appeared to be lip syncing like there was no tomorrow in the video, which he shared to Instagram along with the caption, "This song gets me in the mood.. @niallhoran#heaven."

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In the clip, Shelton mouthed Horan's passionate lyrics while serenading someone—or something—out of the frame. But when the camera panned around, you could see that The Voice coach wasn't singing to anyone special, not even his wife Gwen Stefani, and instead, he was looking right at the liquor on his mini bar.

The humorous video garnered tons of comments from fans, who couldn't help but fawn over Shelton and his backstage antics.

"Blake, they broke the mold after you! You are one-in-a-million!🔥" one fan commented.

"This is the Blake we all know and love ❤️ ❤️," added another.

"BLAKE 😭😭😭😭" the official Instagram account for NBC's The Voice added.

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"This makes us wanna raise beers and hallelujahs 🍺🙌🏼," wrote former Voice contestants, The Dryes, who are slated to open for Shelton during his tour. "See you in Greensboro on the 23rd, brotha!"

The "Back To the Honky Tonk Tour" kicked off last week, and is scheduled to run in the U.S. through the end of March. For more information on tour dates and tickets, visit blakeshelton.com.