The 18-year-old reality star of course brought a second outfit for a glam change during the event. She was joined at the party by her beau Tyga.
Earlier in the day, Kylie was seen leaving from the back of Cedars-Sinai Medical Center in Beverly Hills after visiting Lamar Odom on his birthday.
FYI: Kylie is wearing a Yousef Al-Jasmi chandelier gown.
30+ pictures inside of Kylie Jenner out and about…