A rule of thumb in these star-obsessed times: If celebrities fascinate us, sets of related celebrities are doubly intriguing—especially mothers and daughters. Is there something in Goldie Hawn's and Naomi Judd's DNA that destined offspring Kate Hudson and Ashley Judd for stardom? Or is the good fortune of having a door-opening famous name—yes, Paris, we're talking about you—all you need to succeed? Analyzing the mother-daughter pairs assembled here, we figure it's probably a bit of both. You be the judge.