Kylie & Kendall Jenner Attend Mason Disick's Bar Mitzvah - See Who Else Was There!

Kylie and Kendall Jenner are celebrating Mason Disick!

The Kardashian-Jenner sisters joined Kourtney Kardashian and Scott Disick to celebrate Mason‘s bar mitzvah, a milestone in the Jewish faith after someone turns 13 years old.

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Many of Mason‘s closest relatives came to celebrate with him over the weekend, including many of his young cousins, as well as grandmother Kris Jenner, aunts Kim and Khloe Kardashian. One new member of the family was seemingly not in attendance.

If you didn’t know, Scott Disick is Jewish. Mason just became the first young member of the family to have a bar mitzvah!

“December 14th… one of the best days of my life, twice and forever. my birthday boys ❤️❤️” Kourtney recently wrote on Instagram, commemorating both Mason and son Reign‘s birthdays.

Check out all of the pictures of the family heading into the event inside…