She announced the joyous news on Sunday, February 6, with a precious Instagram photo of her new baby's hands, writing, "2/2/22," in the caption alongside a blue heart emoji, which seemed to confirm that she gave birth to a baby boy.
While fans of the Kylie Cosmetics founder knew the new baby had to be arriving soon, it wasn't clear when exactly Jenner's due date was — but she may have dropped a hint months ago.
In a video for Vogue back in September 2021, the 24-year-old mama was seen wearing a gold "222" necklace, which some fans are speculating could have been a clue for her baby's birth date on February 2, 2022.
It is unclear whether the "222" referred to February 2 or February 2022, but some believe Jenner may have planned to plant the clue months prior. "She planned this. All of it," one online user wrote, per The Sun, while another added: "Definitely. It's the Kardashian way."
In another coincidence, the birth of her second baby occurred just one day after the pair's first-born daughter, Stormi, turned four years old on February 1.
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The Keeping Up With the Kardashians alum has yet to reveal the name of her second child although online sleuths have already drummed up their theories for possible names, with the most popular guess being Angel.
Her mom, Kris Jenner, left the comment, "Angel pie," on her baby announcement post, while sister Kim Kardashian left an angel emoji in the comments section. Similarly, her best friend Stassie Karanikolaou wrote, "angel baby ❤️," under the post, and her makeup artist Ariel Tejada commented: "Can't wait to meet the little angel 👼🏻."
Some fans went so far as to speculate her baby shower months prior — which was white and gold themed — served as a hint for the baby's name being Angel. She also had her guests sew patchwork circles at the event, per Page Six, with one of them reading "Angel Baby."
However, some skeptics aren't convinced about the name Angel since it may be too obvious and started circulating the idea of the baby's name being Rainbow after she posted an Instagram Story with the words, "The Rainbow," written in the text.
Additionally, some have theorized that the "Storm" comes before the "Rainbow," which would line up with the name of her first child.
According to the outlet, other popular guesses include Gabriel, Halo, Valentine, Cloud, Sunny, Star, Sky and more.