Stars including Beyonce and Stevie Wonder were also in attendance!
All eyes were on the newly single mom as she showed up with her family to the star-studded bash.
Happy birthday Rob Kardashian -- the former reality star is 32!
See Khloe's sweet message to her younger brother!
The reality star addresses trust issues amid allegations that Tristan Thompson cheated on her with family friend Jordyn Woods.
The Kardashian-Jenner family aren't happy with Woods' decision to go public with their drama.
The reality star and her famous mom's mansions are featured inside the March 2019 issue of 'Architectural Digest.'
Kylie and Kris Jenner are opening up their incredible homes for the latest issue of 'Architectural Digest.'
The 63-year-old momager will have you doing a double take.
The couple took over hosting duties from Kris Jenner this year.
The group gathered to celebrate Sia's birthday and screen Jennifer Lopez's new movie, 'Second Act', out Dec. 21.
This family keeps bringing the drama year after year.
The reality star's lawyer shared the date on Instagram on Monday, then clapped back at negative replies to the post.
ET takes a look at the family's most memorable moments from the past year.
