I'm really enjoying it, the music and styling are fantastic. I think it's very realistic and relatable too.
I don't think her friend is a bad character, just uses Rae as a way to deflect attention away from herself/make herself look better, as many girls that age do.
I think the use of 'like' is a northern thing. I know in the NE I've always heard it being used, and not in a Clueless sort of way.