Paris Hilton, Doug Reinhardt, Kim Kardashian (and Tara Reid, in the monster gallery below) all put in an appearance at The Viper Room last night and yup, you guessed it, everyone wore black!

I dunno why though, black is slimming, and none of these celebs need to worry about looking slim. Except maybe Kim. I mean, WHAT? Just kidding. Everyone, including Kim, looked pretty damn sexy in--

Paris Hilton Paris Hilton

--ugh. Is it wrong if I think Heidi's plunging neckline (and Spencer's hair) looks sexy?