Gigi & Bella Hadid Land in Mykonos for Sister Alana's Birthday!

Gigi Hadid is all smiles as she and little sister Bella Hadid make their way out of an airport on Friday afternoon (July 26) in Mykonos, Greece.

Gigi kept things cool in a white T-shirt and blue sweatpants while Bella donned a white, blue, and red jacket for their flight into Greece.

PHOTOS: Check out the latest pics of Gigi Hadid

Gigi and Bella are in Mykonos to help celebrate their big sister Alana‘s birthday.

The following day, Gigi took to Instagram to share a cheek photo of herself posing in an orange bikini.

FYI: Bella Hadid is wearing a Diesel jacket. Gigi Hadid is wearing a Fall Risk by John Targon turquoise cashmere set.