Kylie and the rest of the Kardashian clan shared photos on Instagram to share videos and picture of Stormiworld - a carnival dedicated to her daughter!
The group were served mini pizzas and french fries, which were placed in pink cartons with SW written on them in the signature Louise Vuitton "LV" font. She captioned the photo: "i had to go all out for my baby".
DeGeneres went on to ask the reality star whether her mom approved of the relationship.
Adding to the theatrics, there was even a merch store called "Stormi's Shop" where guests could purchase a memento or two from the toddler's big day. It's likely you've never seen a birthday party quite like this.
Kylie's parents, Kris Jenner and Caitlyn Jenner, and sisters Khloé and Kourtney were also in attendance.More news: NOAA, NASA agree: 2018 fourth-hottest year on record
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The Instagram photo highlights Jenner at her most sultry as well, with the mom of Stormi Webster with a hint of a smile on those slightly open red lips.
And, of course, there were a slew of celebs that joined in on the fun, like DJ Khaled.
Taking inspiration from theme and artwork of her baby daddy Travis Scott's Astro World tour, Kylie created Stormi World - complete with a terrifying inflatable version of her daughter's head. We have all her cousins here and everybody who loves her.
"I just couldn't have dreamt you up, storm". "Every day with you is the best day of my life. happy birthday to my angel on earth". "STORMI'S BIRTHDAY TODAY. I LOVE U SO MUCH BABY", the rapper wrote, tacking his heartfelt message on to a gallery of photos and clips showing Stormi smiling while posing in a pig-themed room, playing with her dad, hugging a stuffed shark and more.
As always, people following the party on social media gave their thoughts on Jenner and Scott's over-the-top party for their little girl.