The models arrive at the party.
The models walk to the party.
There she is!
Kendall Jenner and Hailey Bieber strike a pose at the party.
Kendall Jenner and Hailey Bieber pose with friends at the party.
Stassie blows out her birthday candles.
The birthday girl is all smiles.
Kylie Jenner shared this photo of the birthday dinner.
Kylie Jenner posted this image of the birthday girl on her Instagram Story.