The main character olive is still very young to know the difference about her and other prettier girls. We see this when olive (the main female protagonist) is watching women who have just one the little miss sunshine competition for being the prettiest woman in pageant.
She sees a beautiful women that had won the little miss sunshine award on TV. She starts mimicking as if she was the one who had one the award. The main concept or theme of gender representations in this film is all about beauty.
During the scene when olive is trying to be like the women on the TV screen means that she wants to be pretty and Is determined to win the Little Miss Sunshine award in Rondo Beach California.