Kim had her hair relaxed and blonde, parted in the center, while posing with a number of happy party-goers.
The quarterly released magazine is now on its 19th issue, and has become known for it's raunchy advent calendar around this time of year.
There are speculations that the 20-year-old is trying to hide her baby bump from the paparazzi especially since she gained a considerable amount of weight.
The pair appeared on Snapchat and beamed into the camera as they filmed themselves.
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However, if she reached full term and still managed to be on the Christmas card with a baby, this would mean she would have fallen pregnant in March - when she was still with Tyga.
One fan tweeted: "Calling it now, Kardashian insta advent calendar is gonna end with a Kylie pregnancy announcement".
The party pat wasn't the first - or even the second - time on Sunday that the "Revenge Body" star celebrated her pregnancy if-you've-got-it-flaunt-it-style.
"I'm sober Khloe and I don't like it!" she added.
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Khloe meanwhile lamented not drinking due to her pregnancy.
Kardashian has been hiding the bump for the past couple of months since it was first reported that she's pregnant.
Here's what she said in the post.
The same source stated that Kylie and Travis talk on the phone every day, but on the other hand, he was not there for her during this pregnancy at all.
The night before she cradled her baby bump on Snapchat.
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Interfax news agency reported that the bus was not even a year old. "According to preliminary information, five people died". In July 2014, 21 people were killed when a train derailed near the same station after braking abruptly.