Photo: Instagram

Kendall Jenner JUST turned 18 (November 3rd, 1995) and she posted the above pic on Instagram yesterday with the caption, "sneak peak of today's shoot with the amazing @nomadrj ... can't wait for you guys to see the rest of the photos!"  She also posted this pic on Twitter.

Photo: Twitter

So what does her dad think??? Bruce Jenner says he 100% backs Kendall's decision. As far as he's concerned, she's a fashion model and that's what fashion models do.