Oh, Olsen twins, why don't you like food?

An exhausted Mary Kate Olsen – sans sister and a rubicund glow – stopped by Letterman last night to discuss being tired, being exhausted and Spencer Pratt, all while tiredly, exhaustedly hunching over. If nothing more, it was an exhibition of what a body is like when not it is not functioning properly.

You can imagine how quietly Letterman, whose tolerance for bullshit is the lowest on late night television, suffered the fool's behavior.

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