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Gigi Hadid Throws Zayn a Teen Dream Birthday Party, Thanks Him For Making Her a 'Mamma'

Zayn Malik and Gigi Hadid
Dominique Charriau/WireImage

Zayn Malik and Gigi Hadid attend the Givenchy show as part of the Paris Fashion Week Womenswear Spring/Summer 2017 on Oct. 2, 2016 in Paris.

Gigi Hadid slipped into her best unicorn slippers to wish partner Zayn Malik a happy 28th birthday on Tuesday (Jan. 12).

In a cozy pic in which the new parents are wrapped in wool and comfy sweaters, Hadid wrote, "VerifiedTeam No Sleep ! Happiest birthday to our Zaddy baba. So special. Love you long time, thank you for makin me a mamma to the best girl ever ...Wish you the best every single day."

Hadid also threw a video game/superhero-themed bday party for her beloved. The festivities included Superman and Wonder Woman balloons, party favors with Zayn's face on them, and a bunch of old-school arcade games such as Teenage Mutant Ninja Turtles, The Simpsons and Super Mario Bros.

Zayn and Gigi welcomed their first child, a girl, in September, with Malik saying that "the love I feel for this tiny human is beyond my understanding." Hadid's post also included a cartoon image of Malik in which he's holding a wonder baby shooting beams of light out of her eyes.

Zayn recently gave fans a chance to get a preview of his upcoming albumNobody Is Listening, by posting a phone number featuring snippets of all the song on his upcoming third studio album, which comes out Friday via RCA. After dialing (323) 991-ZAYN, callers can press any number from 1-9 to hear previews of the nine songs that haven't yet been released. The 11-song project also includes the two previously released singles "Better" and "Vibez."

Check out fan-captured grabs of Zayn's big day, via Gigi's Instagram Story, below.