Help..Friendship problems?

well my best friend and i usee to be very closee cos weree best friends noww ever since shes started makingg neww best friendss from other schools, and is hanging about with them all the time. whenn wee go on facebook now itss likee shee always talkss too themm and hardly ever talkss too me as much anymoree.. and she mostly talkss too mee whenn i sayy hi firstt , andd whenn i doo talk to her she blankss mee and whenn i ask her why shess blanking me , straightt afterr she sayss shess noot, and she ignores somee my text too noww. But the thing is when i tell her about my family problemss etc.. all she writee is oh :/ andd thatss itt realli andd wheenn iff i tell herr can shee pleasee say somink to make me feel betterr, all she writess iss likee a sentencee whichh doesnt look likee shee put alot of effort into it orr sometimes she writes i dont no whtt to say. whenn shee really needs mee i right a speech that relli does help her and i writee loads of things to make her feel better. But thatss anotherr story whenn her other friends need her help shee writeess loadss to make themm feel betterr.Andd noww shess made anotherr bestfriend from another school it feels like shes starting too leave me outt.its like the other week shee askedd mee to go to the park with her other bestfriends shee didntt talk to mee much the only timee she did was when i made up the convo andd shee kept on walking of with them holding hands andd i feltt as iff shee onlyy invitedd me for sympathy cos in the summer she kept on going places with her other best friend and inviting themm to places sheee only invited mee sumwheree oncee.. just whenn i told herr bout it :/ andd it doess relli annoy mee whenn she keeps on talkingg to mee aboutt her bestfriendss andd stuff..just dont no what to do anymoree.i dont wana lose herr any help. thanks