When the hot, model girlfriends are away, the loser guys will party with random skanks until 8 a.m. Such is the case for Adam Senn, anyway.

Dude totally cheated on his girl and lied to her face about it.

All Whitney Port could do was stare very expressively and ponder whether her own man, Jay Lyon, would ever pull a similar stunt. Jay stayed mostly free of the drama, though he was a tad hung over. What else went down?

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Matt Richenthal is the Editor in Chief of TV Fanatic. Follow him on Twitter and on Google+.