Bella Hadid celebrates niece Khai's FIRST birthday with adorable throw back pictures

Bella Hadid just posted the most adorable snaps with her niece Khai, Gigi Hadid and Zayn Malik's baby daughter, in celebration of her first birthday! The international supermodel posted a sweet tribute to her "forever best friend" along with nine photos of the adorable tot.

In the majority of photos, Bella posed with the little cutie, including a heartwarming snap of the brunette beauty feeding her little niece, but also made sure to include a pic of big sis Gigi too. For the majority of photos where little Khai's face could be seen, Bella Hadid had obscured it with an angel emoji.

"Happy Birthday to the greatest gift our family has ever been blessed with…. I didn’t know my heart could grow this big!!!! You make me smile when I’m sad and make me cry of happiness just because ur alive. I can’t wait to watch you grow into the most perfect specimen of all @gigihadid @zaynthank you for my forever best friend ❤️‍?," she wrote on Instagram.

Check out the post below.