From this reality starlet's debut on MTV's "Laguna Beach," Kristin Cavallari made it known that she was the beach town's biggest, er, drama queen. Even when the hit reality TV show followed her friends to "The Hills," promos candidly told fans that "The "B---- Is Back." And she hasn't left. Weeks after naming her newborn son Camden, Kristin took to Twitter to respond to Nick and Vanessa Lachey's decision to go with the same moniker for their little guy, saying, "Apparently Camden is a popular name!" Meow!