Hailey Baldwin Celebrates 21st Birthday with Kendall Jenner & Other Models

Hailey Baldwin is 21 years old today, and officially had her first legal drink of alcohol.

Baldwin rang in the big 2-1 at 1 Oak in NYC with BFF Kendall Jenner, along with fellow models Justine Skye and Imaan Hammam.

Kendall got the cake, which featured a gorgeous print from one of Baldwin's modeling shoots.

The question is ... in a birthday party full of models ... who takes the first bite of cake?

#HappyBirthday

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