Gwen Stefani and Blake Shelton are reportedly working on a new album.

Following the release of "Go Ahead and Break My Heart," the couple, who began dating on the set of The Voice season nine, are said to be planning for a surprise Christmas album for their fans.

“Gwen and Blake have told their friends that they are doing an album together!” a source revealed to Radar Online on Tuesday. “It is going to be a Christmas album. They said it will be a little bit pop with a lot of country!”

Earlier this year, before debuting their duet on The Voice season 10, Shelton opened up about the creation of "Go Ahead and Break My Heart."

"When I originally started writing this song that we're performing tonight, I was only trying to impress Gwen," Shelton, 39, told Entertainment Tonight's Sophie Schillaci ahead of Monday's performance. "I started this song and wrote about half of it and sent it to her and she wrote the other half of it. It was just kind of something for she and I to help us feel better about what we were going through."

"The hardest part was not smiling throughout the whole thing while we're singing it because we can't believe this is happening. We still can't believe this is happening," Shelton said. "It's cool to be witness to something that's this honest and fun."

To see Stefani and Shelton's first performance of their duet, check out the clip below.