Gigi Hadid is an in-demand runway model, as well as mother to one-year-old Khai Hadid Malik.

But on Sunday she put her sister hat on as she carved out time to visit her younger sister Bella Hadid for her 25th birthday weekend.

The 26-year-old catwalk star mastered a casual chic look as she walked through New York City with her baby in tow.

Sisterly: On Sunday Gigi Hadid carved out time to visit her younger sister Bella Hadid for her 25th birthday weekend

The redhead beauty donned a white cropped sweater as she moved through the Big Apple.

The supermodel was spotted in light wash ripped jeans with a colorful patterned strip going down the sides of the legs.

The bright look was extended with a pair of orange, red, and white New Balance sneakers.

The fashionista pulled her hair up into a casual bun with an orange scrunchie.

Fashionable: The 26-year-old catwalk star mastered a casual chic look as she walked through New York City with her baby in tow

For accessories, the Los Angeles native donned dangling sunflower earrings and a multicolor necklace around her neck.

Daughter Khai, whom she shares with singer Zayn Malik, was covered in a white and pink blanket as her mom held her close.

Gigi and Bella’s mom Yolanda Hadid was nearby as well, as she covered her eyes with sunglᴀsses.

The former model sported white cropped pants, tan loafers, and a matching tan sweater with a center zipper.

Detailed look: The supermodel was spotted in light wash ripped jeans with a colorful patterned strip going down the sides of the legs

Doting mother: Gigi and Bella’s mom Yolanda Hadid was nearby as well, as she covered her eyes with sunglᴀsses

Classic fashion sense: The former model sported white cropped pants, tan loafers, and a matching tan sweater with a center zipper

Head-to-toe: The bright look was extended with a pair of orange, red, and white New Balance sneakers