Party tiiiiiiime!!! Wooooot!
We're surprised they didn't wear matching flirty dresses, but instead the supermodels looked sleek in tight leather pants and structured coats (Kendall's is Balmain).
Of course the 20-year-old's best accessory was that impressive bouquet of pink balloons!
And since they're VIP, the celebration took place in the restaurant's private downstairs wine cellar so they wouldn't be bothered by the hoi polloi. OBVI!
Fellow models Martha Hunt and Devon Windsor were also in attendance, although sadly Gigi's boyfriend Cody Simpson couldn't make it.
But sometimes it's more fun when you're just with your girls!
Especially if those girls are supermodels! Ha!
[Image via Pacific Coast News Online.]