Posted on Tue Sep 13th, 2011 2:20pm PDT
Kylie Jenner, 14, made her debut at New York Fashion Week on Monday!
She walked in Avril Lavigne's Abbey Dawn show. Avril is, of course, dating Kylie's step-brother, Brody Jenner.
Kylie had no need to be nervous -- she was supported by her famous fam! Sisters Kim and Kendall were in the audience, along with Brody and Kim's new hubby, Kris Humphries (check them out in the front row!)
The teen model Tweeted, "Wow..had the most amazing time!!!"
Kendall will make her Mercedes-Benz Fashion Week debut on Wednesday. See more pics from Kylie's catwalk after the jump!
Kim also Tweeted a pic from the aisle -- see below!
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