Kylie even organised Stormi's Shop, which featured merchandise including baby sweatshirts and shirts.
True to form, Jenner was also on hand to capture the moment, posting a video of the sweet exchange to her Instagram Story.
The idea behind the #StormiWorld bash was clearly inspired by Travis' current Astroworld Tour, with stages created to feel like an over-the-top amusement park.
Go inside Stormi's epic birthday bash below.
With rides, a butterfly garden, inflatable jumping castles and dancing pixies - it was literally like partying in another world.
Of course, no birthday party would be complete without a cake, and Stormi's was so extra, including a functioning carousel at the top of the many tiers, handsome flowers and butterflies, and a photo of Jenner and Stormi together.
The entire Kardashian-Jenner clan was in attendance to celebrate Stormi's first birthday.
"Beyond proud of my unbelievable daughter for all of her accomplishments, but especially proud of what an fantastic mom she is to her little girl!"
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Think back to your first birthday party.
Scott also took to Instagram to wish his little girl a happy birthday last week.
And, of course, there were a slew of celebs that joined in on the fun, like DJ Khaled.
But aside from the party, Stormi's selection of presents will leave you teary eyed.
"As a father I know how important it is to give our kids the best life and the best bday parties!"
But, one of the most exciting elements at the party seemed to an appearance by the "Baby Shark Dance" crew.
Travis was all smiles as he danced with his daughter while Pinkfong characters performed the children's song "Baby Shark".
We can only imagine how the proud parents plan to top themselves at Stormi's second birthday.