Millions of people visit the Louvre Museum in Paris every year to gaze and gawk at its all-star art collection. But there's one star who gets a lot more attention than anyone else--and her very own waiting system, if you can believe it! Well, the Louvre's many other masterpieces aren't too happy about being overshadowed--and they're here to tell everyone what makes them just as worthy of the Mona Lisa's teeming crowds. With a focus on portraits...