Halloween exists for two purposes:

1. Eat a shit ton of candy
2. Dress like a slut, go to a party, act like a whore and get wasted

Celebrities are firm believers in upholding these timeless traditions (or at least #2), and this year is no different.  Here’s a Halloween 2008 Slutty Costume Roundup.

Kim Kardashian’s ass dressed as Wonder Woman at some masquerade yesterday:

Heidi Montag and that toolshed she hangs around with dressed as attention-craving retards:

Kendra Wilkinson as — wait, is this a costume?  I can’t tell:

Mariah Carey and her wife, Nick Cannon, dressed as cookies & milk (because they’re idiots) at their costume party at Marquee in NYC yesterday:

Mariah Carey and her wife, again — this time dressed as “sexy firefighters”:

Traci Bingham as Officer Boobage yesterday:

Shauna Sand dressed as… an orange whore (I guess) on Oct. 25th: