game-themed birthday party at their New York City home in what appears to be the basement of the building, complete with arcade machines, confetti with Zayn's face on it, and dozens of balloons.

Hadid shared a series of shots from the intimate bash (Hadid, her friend Leah McCarthy, and Malik were the only people who appeared in photos at it), showing off the Pac Man, Super Mario, Donkey Kong, Teenage Mutant Ninja Turtles, and The Simpsons arcade machines she had brought in for her boyfriend. She also gave a glimpse of her post-baby body, sharing her toned midriff as she balanced a martini glass. Hadid gave birth in September:

In her Instagram tribute to Malik, Hadid gushed about her longtime love for him and their baby girl. "Team No Sleep !" she wrote. "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 and Malik have been dating on-off since fall 2015. After getting back together at the end of 2019, the couple has kept their relationship relatively private. Hadid has shared shots of Malik here and there on her Instagram though. She most recently shared a throwback shot of them kissing on her Instagram Story in December that was taken in April 2020: