A large contingency of the Kardashian-Jenner family and their closest friends were in attendance for an intimate Christmas Eve get-together, but from the looks of Kourtney Kardashian’s images from the night,

Kourtney Kardashian is the latest Kardashian-Jenner sister to share photos of her festive celebrations to Instagram - and fans are truly shocked by one of the details. 45-year-old reality star and Poosh founder, Kourtney, shares three children with her ex, Scott Disick; Mason, 15, Penelope, 12, and Reign, 10.

Kourtney wore an all-black look for the intimate gathering, rocking a plunging sheer black floor-length dress over a black bra and hot pants. She wore a matching black headscarf and belted the dress to accentuate her waist.

Mason Disick made a rare appearance in mom Kourtney Kardashian's family holiday photo, as the media-shy teen posed at their annual Christmas Eve bash.