Kim posted several videos documenting the evening, which she shared with friends she hadn't seen in 20 years (and probably won't see until 20 more) She even rode on a party bus with a select few former classmates from the class of '98.
The cousins look like they're hugging while lying on the carpeted floor.
Kim, who share three children with her 40-year-old rapper husband Kanye West - son Saint West, 2, daughters North West, 4, and Chicago West, 11 weeks - appears to be bent looks as she's missing some bones which appear to be unnatural, her waist looks uneven on either side.
It's been a rocky week for Khloe Kardashian, but she had her sisters by her side when she gave birth to her first daughter Thursday.
And according to People, Khloe Kardashian's baby girl 'is very cute with lots of black hair'.
And to show her sister how proud she was of her, the 37-year-old beauty sent her a lavish baby bundle worth $8,000 so that she had something nice to come home to.
The magazine's insider said the new mom is "doing great" despite the stressful circumstances due to Tristan's infidelities.
However, the pictures were mysteriously deleted, as followers inundated the comments section with queries as to why Kim was posting holiday pictures while her sister Khloe dealt with reports that Tristan Thompson had cheated.