Because celebrities closely guard their names and likenesses, lawsuits claiming high-dollar amounts for violations of those rights are not unusual. But a lawsuit for $2.2 billion dollars for a non-celebrity claiming a restaurant improperly co-opted her photograph for an ad campaign? That’s rare. At year’s end, just before the expiration of the statute of limitations, a Sacramento woman named Leah Caldwell sued Denver-based Chipotle Mexican Grill, the company’s photographer, and Chipotle’s chief executive officer in just such a suit. In doing so, Caldwell showed that you don’t have to be famous to think your face is worth a billion dollars. But is it?