Kendall Jenner is officially legal.
The "Keeping Up with the Kardashians" star celebrated her 18th birthday on Sunday -- and marked the occasion with a masquerade dinner with her family and friends.
The birthday girl, sister Kylie, half-sisters Khloe and Kim Kardashian and mom Kris Jenner all attended the fancy dinner party last night -- where they all hid their identities with elaborate Venetian masks.
See them all in the pics above!
Looks like it may have been a girls night, as Brody Jenner, Bruce Jenner, Kanye West and Lamar Odom were all nowhere to be seen in the pics shared by the various women of the family.
Khloe even shared a sweet message to her sis on Instagram, writing "Happy birthday Kendall!!!!! 18 years ago my life was changed forever because of you! The joy and peace you bring to so many lives are just a few of the rare gifts your spirit possess. I couldn't be prouder of the woman you are becoming. Happy birthday to my best friend, my roommate, my puppy sister, my heart. Sisters by blood, best friends by choice."
The celebrations actually started last week, when the entire family rented out Six Flags Magic Mountain for the day. Not too shabby, right?
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