If you've ever watched daytime talk shows -- and it's OK to admit that you have -- you've seen that some of the biggest crowd pleasers are the before-and-after episodes. You know, some dowdy guest who always dresses in ill-fitting clothes that went out of fashion 20 years ago gets all glammed up. Suddenly an ugly duckling can go out in public and blend in with the other attractive swans.
The appeal for viewers is that we're rooting for the underdog. We watch them transform from the underdogs to the champions. Or, as one show's topic put it, "I Was Fat, Now I'm All That!"