Who:   A-listers and seriously heavy-hitting industry types seek refuge at this highly exclusive spot.
What:   You never know who you'll run into at Mathis, but thats the point--even the most high profile names know they can head to Mathis to escape the spotlight.
Why:   You can only get in if you show up with a regular, but if you make it inside you'll find yourself among a shortlist of French film, fashion, and theater stars.