She looks like the classic cougar to me!!
I know where I’ve seen her... she’s Stifler’s Mom!
http://www.google.com/search?q=stifler’s+mom&hl=en&sa=X&biw=1832&bih=919&prmd=imvnsu&tbm=isch&tbo=u&source=univ&ei=8a-4TvjkPKPUiAKm37HVBA&ved=0CCwQsAQ