Gigi Hadid fans can't 'believe' how fast Khai is growing: 'Already so big'

Gigi Hadid delighted fans by sharing a series of rare photos from her summer adventures with daughter Khai ahead of her fourth birthday.

Taking to Instagram on Wednesday, Gigi shared adorable moments with Khai, whom she shares with ex husband Zayn Malik.

"Big Summer Roundup, Best of Both Worlds," the model, 29, captioned the photos.

The photos include heartwarming scenes of Khai sitting by a stream, cooling off with a hose during a pool day, and wearing a custom hot pink Versace robe.

One particularly touching image shows the mother-daughter duo comparing hand sizes.

Notably, Gigi placed a cloud emoji on Khai's face emphasizing on her daughter's privacy.

The post quickly garnered attention from fans, who flooded the comments section with their surprise on how fast Khai is growing.

"Aww my GG momma i can't believe, next month my khai buttercup is turning 4 my princess ladybug hadid," on wrote.

Another added, "KHAI'S SO BIG ALREADY WHATTT I SWEAR SHE WAS JUST BORN YESTERDAY."

"KHAI OMG SHE’S ALREADY SO BIG," read the third comment.