I need everyone's opinion about this thing..10 points best answer...thx?

i'm a open minded girl..and i show what i feel, that makes other crtiticize for being bold, but there are other girl that pretends to be shy, sweet and everyone praises her sanity, but between us the girls we know that she's a hypocrite, she is jealous of anyone better than her,and spread false rumors about others..which makes me very furious as people flatters her politeness and other girls like me who are honest and show what they really feel are considered bad ones......i also express my real opinions about things but she says what's supposed to say which isn't real..what do u think i should do to make people stop thinking am a nasty person and am just true