1/13
NGRE / BACKGRID
Kylie Jenner and Jordyn Woods
Khloe's sister and her bestie walk in together.
2/13
NGRE / BACKGRID
Kendall Jenner
Khloe's sister makes her entrance.
3/13
NGRE / BACKGRID
Kris Jenner and Corey Gamble
Khloe's mom and her beau arrive.
4/13
Jerritt Clark
Happy Birthday, Tristan!
The Beauty & Essex restaurant awaits the guests' arrival.
5/13
Jerritt Clark
Birthday Boy and His Girl
Khloe and Tristan strike a pose in front of a special display by Balloon Celebrations.
6/13
Jerritt Clark
Party People
Tristan poses with Khloe's sister and friend.
7/13
Jerritt Clark
Mom Love
Tristan and Khloe pose with their moms.
8/13
Jerritt Clark
Squad
Tristan and his guests pose for a group pic.
9/13
Jerritt Clark
Mom and Dad
The couple, who are expecting their first child together, pose for pics.
10/13
Jerritt Clark
Speech!
Tristan thanks his guests.
11/13
Jerritt Clark
Cake Time
Tristan is presented with his birthday cake.
12/13
Jerritt Clark
Make a Wish!
The birthday boy blows out his candles.
13/13
Jerritt Clark
Kourtney Kardashian and Younes Bendjima
The reality star and her beau strike a pose.