Match Made in Heaven
It didn’t take long for the undeniable chemistry to become clear to viewers. People began to suspect a romance, and rumors of a relationship began swirling in the media. The two went on The Tonight Show Starring Jimmy Fallon, where they battled in a lip-syncing duel (which was hilarious, by the way). It was obvious that they were into each other.
Source: time.com
At that point, audiences knew there must be something between them. They seemed like a pretty good match, and fans wanted to see them together. It was confirmed by a source from The Voice that, “The chemistry between them is off the charts. Everyone on set sees that Blake and Gwen are falling for one another.”