When I was fourteen, I spend an inordinate amount of time imagining what it’d be like to be Katie Holmes (taking limousines to pick up morning coffee, extravagant trailers filled with free gifts, hordes of adoring fans at every corner). I didn’t have any interest in actually being an actor — ever since I (kinda) got over my middle school dream of being a world-famous pop superstar, I pretty much only wanted to be a writer — but I did have a sort of fascination with the idea of celebrity. I th...