Watch Kacey Musgraves and Harry Styles Perform a Shania Twain Cover at MSG

Kacey Musgraves took the stage Friday night at Madison Square Garden, where she performed some of her biggest hits in front of a sold-out crowd; however, the biggest highlight of the concert was when the 29-year-old singer joined her tour mate Harry Styles for a duet of Shania Twain’s 1997 record “You’re Still the One.”

“We’re gonna sing one of my personal favorites,” Styles told the screaming audience. “If you know the words, then please do join in with us.”

Musgraves serves as the supporting act on Styles’ current arena tour, which will include stops in Washington, D.C., Chicago, and Seattle, before wrapping up July 14 in Los Angeles.

Back in March, the singer released her fourth major label album called Golden Hour, which has garnered both critical and commercial success. The project also landed at No. 17 on Complex's The Best Albums of 2018 (So Far) list.

“With this record I tried to change it up a little bit. This record to me is all about feeling. It's not about thinking as much,” Musgraves told NPR about Golden Hour. “My prior records have been more about thinking — thinking about each line, thinking about the way that I'm flipping a phrase. And thinking is great, but if you have all thought no feeling ... I think that's a mistake.”