Me and my best friend are not as close anymore!!!?!?!?!?

okk she used to go to to my school then she moveddd and we still used to hang out every weeekened but now shes back in my school and we have NO cles together and we are not as closeeee at all we barly talk anymoreeee!!!!!!!!!!!!!! what should i doooo now shes best friends with my WOST ENAMIE