Best Friend Forever or Best Friend ??

Ok i have this girl which i have been BFF since i was 10 , then when i started high school she became different she is not her anymore she started to care about her image ok before that she never care she run around in school like a maniac all the time i luv that about her and in high school she became this horrible girl that i have no idea who.. she keep judging people wheither their popular or not and by 'popular'  i mean in high school popular, it's a bitchy attitude i hate it that she transform to be this bitch i hate it ..but i guess she's just growing up became a woman or something o.O that's why she's just my best friend not my BFF  sorry if you read this but i still love her no matter what i still care about her  :) XOXO