Jennifer Lopez is setting the record straight on the mysterious man in the background of her viral gym selfie. The entertainer made a virtual appearance on Friday’s “The Tonight Show Starring Jimmy Fallon”, where she explained that the background in her pic was just a random image she used. “That was a Zoom!” she clarified, adding that she and fiancé Alex Rodriguez “didn’t have a gym in the house.” “So we just got a bunch of, like, we got a bench and a few weights, and I have my rehearsal mirrors back there for dance rehearsal, which I always did in the house.” Fallon then chimed in, saying, “There’s a man behind you like this!” as he covered his mouth. “Yeah, I don’t know what he was doing,” replied Lopez with a laugh. “If he was sneezing