The Surprising Facts about Blake Shelton and Gwen Stefani's Relationship

It has always been reported by sources that the chemistry between Blake and Gwen was described as wild, but it was during the airing of "The Tonight Show with Jimmy Fallon" that the flirtation became uncontrollable for the general public to witness.

The tension between the two was observed by everyone in the audience as they engaged in a flirtatious lip-syncing duel.