For a woman who's usually polished on the red carpet -- whether or not we personally like her attire choices -- and who just announced that she's knocked up, Kim Kardashian rang in 2013 looking like a rather inappropriate mess.

The reality star, who's expecting her first spawn with rapper Kanye West, wore a black lace dress that left little to the imagination when she hosted a New Year's Eve party at the 1 OAK Las Vegas club at the Mirage Hotel & Casino.

It's kinda vulgar for a woman in her condition -- but even if she wasn't preggers, it's still fugly.

Kim Kardashian at the 1 OAK Las Vegas on New Year's Eve
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She looks like she got into a fight with a pack of feral cats before leaving the house.

Kim Kardashian at the 1 OAK Las Vegas on New Year's Eve
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The fishtail side braid is a different look for her, but it's unkempt and sloppy.

Kim Kardashian at the 1 OAK Las Vegas on New Year's Eve
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Here's a side view. It's as though a black pen exploded on all the places that needed to be covered up.

Kim Kardashian at the 1 OAK Las Vegas on New Year's Eve
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Things are no better from the back. Kimmy's junk-in-the-trunk is her most famous asset and even that looks like cottage cheese in a tattered trash bag, to borrow and update a phrase from her onetime nemesis Paris Hilton.

Kim Kardashian at the 1 OAK Las Vegas on New Year's Eve
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