how do i confront my bossy sister that she shud stop being messy n possessive?

i love my sister dearly,but she is so bossy.she is dat kind of person dat thinks she's right all da time.we share the same bedroom & i'm just sick & tired of always cleaning after her.she also freaks out when i talk with my male friends.i know longer share anything with her coz sometyms she's judgemental n have bad attitude towards my friends.when i tell that she shud stop what she's doing,she tells me that i don't have respect & she's not going 2 do anything for me. i know longer ask her for anything.i want my relationship with my sister 2 b normal again,but i don't know how to confront her,pls help me