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.

The Blink 182 drummer and his wife of over two years were joined by the three children Kourtney Kardashian shares with Scott Disick — Mason, Penelope and Reign — as well as Travis Barker’s son Landon, who he shares with Shanna Moakler, and Atiana De La Hoya, Moakler’s daughter with Oscar De La Hoya.

Mason Disick made a rare social media appearance in a holiday family photo shared by his mom, Kourtney Kardashian, on Monday. The photo was taken at the annual Kardashian-Jenner Christmas Eve party, which was held at Kendall Jenner's home on December 24.

The SKIMS founder revealed earlier this month that she and her famous family members would be having a quieter Christmas party this year due to construction.

The reality star shared photos from her family's Christmas Eve celebrations on Instagram, including pictures with her kids