Blake Lively, Emily Ratajkowski, & More Stars Step Out for Gigi Hadid's 27th Birthday Party!

Gigi Hadid is celebrating her 27th birthday with a star-studded party!

The model was all smiles in a white lace outfit as she arrived at Zero Bond for her birthday party on Saturday night (April 23) in New York City.

PHOTOS: Check out the latest pics of Gigi Hadid

Stars stepping out for Gigi‘s party included Blake Lively, Emily Ratajkowski, Antoni Porowski, Martha Hunt, and Helena Christensen.

Gigi‘s siblings Bella and Anwar were also in attendance along with their dad Mohamed Hadid and their mom Yolanda Hadid and her boyfriend Joseph Jingoli.

Earlier that day, Bella and boyfriend Marc Kalman were spotted bringing balloons to Gigi‘s apartment for her birthday.

Click through the gallery inside for 75+ pictures of the stars stepping out for Gigi Hadid’s birthday party…