and surprised fans at a concert in Greenville, South Carolina, on Thursday, March 13. Shelton was in town for his “Friends & Heroes” tour and, at one point during his performance of “Nobody But You,” Stefani came on to the stage to sing her part of the couple’s duet.

On Friday, March 14, Stefani shared a video of the surprise performance on her feed.

“I don’t wanna love nobody but u!! one of those nights… thank u Greenville!! we love u!!” the No Doubt singer captioned the upload.

Dozens of fans took to the comments section of the post to react.

“It was so exciting when you came in the stage! Crowd went wild! Blake’s concerts are always a good time!!!! So much fun! We love y’all!!!” one person .

“Love these performances you do together ! I finally saw you perform live in Huntsville Alabama! Waited for hours in the mud and rain, best night of my entire life!!” someone else .

“CUTEEEEE omg lucky humans that got to see you guys,” a third comment .

“You two are just magical together. Most beautiful love story of all time,” a fourth user .

Stefani and Shelton — who married in 2021, seven years after meeting as coaches on in 2014 —released “Nobody But You” in 2019. The track was the third collaboration for the husband and wife, and it was also the first song that they ever performed together at the Grammys (in 2020).

In an interview with in 2019, Shelton said that he first listened to the song while in the car with Stefani on the way to her son’s school.

“I was just floored,” Shelton said. “I realized how important that song was for me, and where I am in my life right now. I think that’s why [songwriter Shane McAnally] was trying to get it to me because he knows enough about my personal life … to know, ‘This has got to get to Blake because it fits his story.'”

Shelton is the stepfather of Stefani’s three sons — Kingston, 18, Zuma, 16, and Apollo, 11 — whom she shares with ex-husband Gavin Rossdale.