It's the most wonderful time of the year for fans of Keeping Up With the Kardashians...the annual Kardashian-Jenner Christmas Eve party!

And with that come uber glamorous holiday fashions from the famous family, and for some of them, matching looks! Kylie Jenner and 1 and 1/2-year-old daughter Stormi Webster were twinning in custom-made Ralph & Russo emerald green silk dresses.

Kylie sported a slinky off-the-shoulder gown with a thigh-high slit and a giant side bow. She paired the look with metallic green nail polish and pumps and an emerald and diamond choker. Stormi's dress featured a flared skirt, cap sleeves and a sash.

"Merry Christmas Eve," Kylie wrote, adding, "Most wonderful time of the year."

This year's Kardashian-Jenner Christmas party is being held at Kourtney Kardashian's house this year. Kris Jenner has usually thrown the bash at her home. Kim Kardashian took over hosting duties last year.

Sia gave a Christmas-themed performance at the party, as seen in videos posted on Kim and Khloe Kardashian's Instagram Stories.

Kim posted on her feed a video of the festive decorations adorning the entrance to Kourtney's house—rows and rows of poinsettias and candles.

"This is so beautiful!" she said.

The party also featured a group of carolers to greet the guests.

See photos from the Kardashian-Jenner Christmas party:

Khloe Kardashian, True Thompson, Kardashian Jenner Christmas Party 2019

Instagram / Khloe Kardashian

Khloe Kardashian, True Thompson, Kardashian Jenner Christmas Party 2019

Instagram / Khloe Kardashian

Khloe Kardashian, True Thompson, Kardashian Jenner Christmas Party 2019

Instagram / Khloe Kardashian

Kylie Jenner, Stormi Webster, Kardashian Christmas Party 2019

Instagram / Kylie Jenner

Kylie Jenner, Stormi Webster, Kardashian Christmas Party 2019

Instagram / Kylie Jenner

Kylie Jenner, Kardashian Christmas Party 2019

Instagram / Kylie Jenner

Kardashian Christmas Party 2019

Instagram / Kim Kardashian

Kardashian Christmas Party 2019

Instagram / Kim Kardashian

Khloe Kardashian, Kardashian Christmas Party 2019

Instagram / Kylie Jenner

Scott Disick, Kardashian Christmas Party 2019

Instagram / Sofia Richie

Sofia Richie, Kardashian Christmas Party 2019

Instagram / Sofia Richie

Sofia Richie, Kardashian Christmas Party 2019

Instagram / Sofia Richie

Kylie Jenner, Kardashian Christmas Party 2019

Instagram / Kylie Jenner

Kylie Jenner, Kardashian Christmas Party 2019

Instagram / Kylie Jenner

Sunday Service

Instagram/Kim Kardashian

Tristan Thompson

Instagram/Tristan Thompson

Sia

Instagram

Rob Kardashian

Instagram/Kim Kardashian

Penelope Disick, Kourtney Kardashian

Instagram/Kourtney Kardashian

Kim Kardashian, Kathy Griffin

Twitter/Kathy Griffin

Kendall Jenner

Instagram/Kendall Jenner

Earlier in the day, Kylie shared videos of her and ex Travis Scott's big surprise for their 1 and 1/2-year-old daughter Stormi Webster: A visit from her favorite Trolls character, Poppy.

A day before, Kylie shared a YouTube video showing Kris surprising Stormi with an enormous playhouse in the backyard.

Watch Keeping Up With the Kardashians on Sundays at 9/8c only on E!

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