Caitlyn Jenner kicked things off with a video on Twitter where she shared one of the family's long-running Christmas traditions: Kris Jenner's "over-the-top" Christmas Eve party, which she's been throwing for the last 30 years.
"She does such a beautiful job decorating the house," Caitlyn said of Kris' "spectacular" seasonal celebration. "We've had the same Santa Claus for 25 years! I've got pictures with the same Santa and Kendall and Kylie are [look small] in his arms."
"That's been really great throughout the years," the 66-year-old I Am Cait star added. "It's a great time for our family and a great time for all our close friends. It just kicks off the holiday perfectly and it certainly is a lot of fun."
Caitlyn's 20-year-old daughter Kendall also gushed about her mom's Christmas Eve party, calling it "the highlight of my year."
"It doesn't matter who's there—as long as I have my sisters, I'll have fun!" Kendall wrote in a new post on her app. "This year we're changing it up: younger people, people we really love, and more of our actual friends, which is exciting."
While the night before Christmas is spent partying it up at Kris' house, the family heads over to Kourtney Kardashian's home on Christmas morning to sit around and open presents. This year, Kendall says she's going to try to bake some treats for the special occasion.
"I don't really cook -- I want to more -- but I love to bake," Kendall shared. "Kylie and I went to Khloe's early for Thanksgiving to bake something, but she wouldn't let me, haha. So, I'll probably try to sneak some cookies or cupcakes in on Christmas. SO excited!"
Another tradition of the Kardashian-Jenner family is the annual Christmas card, which was all about the family's youngest generation this year. Check out the video below for a look at the adorable Christmas card.