VIDEO : Once In A Lifetime Gwen Stefani And Blake Shelton Duet?

Country star Blake Shelton and alternative musician Gwen Stefani have been in the news since 2015 for their highly publicized break ups and following relationship.
However, it seems the pair teamed up for a one-time song collaboration, on Shelton's upcoming album, bringing about a new wave of excitement for fans of the couple.
Though both are reportedly proud of their duet, the musicians are rumored to consider this their only collaboration.