Jack had been taken aback by the question, but luckily Zatanna was quicker on her feet when it came to this sort of thing. He hadn't seen Lois Lane come out of nowhere but then again, the reported always seemed to be popping up at the least opportune moments.
He did appeal to the reported in question as the member of the paparazzi began to shrink away.
"Well, I'm certain your fact checkers would find none in this particular allegation," he gave Lois a smile. His hand lightly squeezed Zatanna's. He certainly didn't think she looked fat in the slightest, but that wasn't the issue here really.