Why yes, I am hooked on "The Hills," [1] why do you ask? This season of MTV's Monday night narcissism-fest has already been pretty high-drama — a breakup, a pregnancy scare — and tonight's could be even juicier.

It's Heidi's birthday, and it looks like she's ready to banish Audrina for good. I suppose that's what you get for being the only non-blonde in the clique. To see a clip from the episode,