When you're young, your perspective is limited. So, for some, there's this fear that your life as a teenager is your life for good — it's how you will look, how you will act, and how the world will see you until the end of time. But things get better. A lot better. But if you're still stressing over the future and the potential for change, let these celebrity transformations act as some moral support. Late bloomers of the world unite!