It was such a big deal that both Kris and Caitlyn Jenner attended Kylie Jenner’s birthday party.

The Keeping Up with the Kardashians new mom celebrated with a celeb-packed party, complete with a ball pit.

Watch Kylie Jenner Evolve From Cute Little Sis to Fierce Beauty Mogul

She’s finally old enough to drink! Oh, and, to become a self-made billionaire. (Milestones for the KarJenners are a little different than milestones for the rest of us … what can we say?)

Since she’s no ordinary 21-year-old, Kylie Jenner hardly had the typical 21st birthday bash when her big day came around on August 9. Here’s what went down:

The Kylie Cosmetics mogul took over the swanky West Hollywood restaurant Delilah for her ultra-special event.

Rumor has it that the party — which seemed to have a pretty-in-pink dress code — came with a celebrity-packed guest list, over-the-top party favors, a unique Barbie cake, a color-coded drink system, and an on-site ball pit.

It was such a big event that both of Kylie’s parents, Kris Jenner and Caitlyn Jenner, came out to celebrate.

Dave Chapelle and Kris Jenner celebrated the birthday girl. Photo: @kimkardashian/Instagram Stories

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