The more I think about it, the more I’d go with the producing theory. It doesn’t mean she can’t also be dating him, but to me, it’s more likely a coworker relationship than a romantic one. And you’re right, she’s very private, she controls everything she does regarding her private life and doesn’t allow press or fans scrutiny, so putting herself under the spot like that is very uncharacteristic, which makes me think appearances are maybe deceptive.