It was released for digital download on September 8, 2009,[3] and was sent to mainstream radio in the United States on October 19, as the band's second official single from the album.

[4] On some advanced copies of the album sent to reviewers and members of the press, the song does not feature Swift, rather, Johnson handles all vocals.

A positive response came from Michael Menachem of Billboard who stated, "Martin Johnson's falsetto complements Swift's sweet tone, and producer Brian Howes builds an orchestral arrangement around their vocals that would be well-suited to a climactic movie moment.

"[11] However, a negative review came from Tim Sendra of AllMusic, which he described the track as "terrible" and "something Diane Warren would have shelved for being too trite and formulaic.

[18] By December 2011, "Two Is Better Than One" had sold 1,508,000 copies in the U.S. alone, outselling other big Taylor Swift hits such as "Tim McGraw" and "Fifteen".