The style of: Geraldine Saglio.

Geraldine Saglio is the assistant stylist of Emmanuelle Alt, new editor in chief of Vogue France. 

I´ve always thought they look very similar, specially when they go together but there are several differences between them, of course.
While Emmanuelle (I love her!) is the queen of "rock-chic" (I love it!), Geraldine is more urban-chic and her style is not as tight as Emmanuelle´s. 

Anyway, both of them look effortless. The best thing in the fashion world.