Nobody girl, she does (or something happens to her) something which makes her big, the guy she's liked bt never had much time to interact gets interested in her, only to find that he's a total bastard, while there's this oh-so-great guy in the woodword she has been friends with but didn't pay much attention to.
The aforementioned girl has to make a choice between staying big and becoming a nobody again(the choice she makes is obvious) and appily ever after.
This is not only a movie it is a SHOW ,A show that is corupting the minds of america,A show that has every6-10 year old girl brainwashed....yes im talking about Hannah Montana