Kristen Stewart

Kristen Stewart (Bella Swan)

Then: Before winning the role of clumsy but beautiful Bella, Stewart made a splash at 12 when she starred as Jodie Foster's tomboy daughter in the 2002 thriller "Panic Room."

Now: After shooting "Twilight," Stewart filmed the romantic comedy "Adventureland" opposite Ryan Reynolds. It's slated to come out early next year. And there's always the possibility of a "New Moon" sequel.