this girl.......shes getting on my nerves.......help me? (read intro)

ok well theres this girl (i wont mention her name but hailey, carlee & if roo gets on u will know who!) well she thinks shes all that & a bag of chips but rlly almost every1 hates her she tells me im ugly & that i cant sing & that im not mature but i like not being mature its just i know that if she doesnt back off soon im gonnna take a swing @ her & i dont wan 2 bring violenece into it! idk how 2 stop her & im NOT going 2 become 1 of her zombies!!! plzz just tell me wat 2 do!!!