Guess Who......... ( guess what star this is) LOL

Ok........Hi Now if you are reading this than here are the instructions... ok so now i am going to give 8 clues on this star and if you think you have it then just leave it in comments but please if you have a differrent answer then those other people just say yours and dont do theres just because there ur friend or you think there cool... But lets get started!!

a. it is a sixteen year old girl
b. her dad was a country singer when she was young
c. her moms name is trish
d. the jo bros went on tour with her
e. uhh she has 2 worlds ( that just gave it away) LOL
f.Her friend sings i dont think about it and was upon a dream
g she has a little sister in her show
h she is from tenesee


so who is it .... just leave it in comments please.... THANK YOU!!