The couple teamed up for a duet called "Nobody But You" featured on Shelton's brand-new album, Fully Loaded: God's Country.
"Don't have to leave this town to see the world / 'Cause there's something that I gotta do / I don't wanna look back in thirty years and wonder who you're married to," Shelton sings in the first verse.
Stefani then comes in as the couple sings, "Wanna say it now, wanna make it clear / For only you and God to hear / When you love someone, they say you set 'em free / But that ain't gonna work for me."
The romantic song, written by Nashville songwriters, Shane McAnally, Ross Copperman, Josh Osborne, and Tommy Lee James, is all about realizing the love you have with someone is truly something you can't live without.
"This was one of those songs where the more I heard it, the more I fell in love with it," Shelton said. "I also realized how important it is for me and where I am in my life, and I think that's why [writer] Shane [McAnally] was trying to get it to me."
"It fits my story," he added. "I was about to go in and record when I decided that it needed Gwen on it- because it is our song. I think it's magic."
"Nobody But You" is one of five new tracks on Shelton's upcoming project. Chart-topping hits including his duet with Trace Adkins, "Hell Right," and "God's Country" will also be featured on the record.
In 2020, Shelton plans to hit the road for his "Friends and Heroes Tour." The trek, which ran earlier this year, will kick off again on February 16 in Portland, Oregon running through March 21 in Detroit, Michigan.
Tickets for the 2020 "Friends And Heroes Tour" are available now.
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