Well I think we know who it's not:
Jessica Lange: hair looks good, but the eyes look all senile and disoriented. Possible?
Oy, Edie Falco. But it's nowhere near as scary as the Wikipedia photo she has not to my knowledge made any attempts to alter, so it's probably not her.
Ha ha ha, Lypsinka
Oh God it's totally Ellen Barkin, duh. Maybe don't pose with Julianne Moore next time, lady! But what a week for the phantom plastic surgery shadow, huh.