We Were Us is the second single off Keith's new album, "Fuse," which hits stores Tuesday, September 10.
Keith says about singing the duet with Miranda, "I always thought our voices sounded really good together," adding, "I love singing with her. And I've always thought if I ever find a duet, I'd love to do something with her on a record. And this song came along called 'We Were Us' and it was written as a duet and I just thought, oh, my gosh this is like the perfect song for Miranda and I."
If you haven't heard We Were Us yet, here's a short preview. Fans can preorder "Fuse" on amazon