Last night's season finale of The Hills only served to further prove that the best part about the show are the teasers for upcoming episodes. Aside from all the scripted drama between Heidi and Spencer, nothing really happened on the big season finale. The rest was just par for the course, like Lauren's crocodile tears, and Whitney's weird pronunciation of words ending in "ing." Oh, but Lo did mention something about cheese being bad for her behind, and I could totally relate to that. But still, who isn't psyched for season four, after seeing that preview? Clip above, and after the jump, the rapid aging of the dog with two mommies.

That dog sure got big since last week: