Middle school friend drama please help asap?

my best friend, her name is hanna. hanna and me have been through everything together and we talk about everything. then hanna's cousin arianne is in my school and in my science cl and they dont get along its like a family quarrel plus arianne talks behind hannas back badly and in my science cl there is this girl who is my "fake friend" becky. becky is mega b*tchy and ultra clingy and i dont like her at all but she likes me well not anymore really but anyways. hanna's older sister imed becky and asked who is this cause once i added beckys sn to her buddylist to see if she was on and then she said becky and they started talking even though they dont know eachother and becky knows how much i hate her and she told hannas sister tina that i talk behind her back with arianne and then hanna called me and i was telling her i didnt say that and she was saying how i lie and how could she trust me when i do it to everyone else and i was crying and she CONTINUED