Kendall Jenner is definitely becoming a young women.

The reality TV star took a path outside of television and tried her hand at modelling on the catwalk.

Jenner recently made her runway modelling debut, and she did it on the biggest stage possible.

The 18 year-old strutted the catwalk for the Marc Jacobs FALL 2014 fashion show at the New York Fashion week, and almost looked unrecognisable.

Kendall wore a straight bobbed wig and heavily powered make-up which made her eyebrows disappear. She showed off her slim figure in a brown V-neck top, cropped pants with a grey and brown colour combination, and a pair of matching tights and shoes.

However, undoubtedly the biggest surprise for the audience was the transparency of her top as her nipples were in clear view.

Even though the walk was little racy, the Kardashian brood loved it!

Big sister Khloe posted several photos on her Instagram account with the caption, "My baby sister killed it today walking in the Marc Jacobs fashion show!!! Kenny you are so dope to me!!! Congrats my baby!!! #NYFW #MarcJacobs #ProudSis."

Kendall herself spoke with Into The Gloss about making a career move into modelling and her pre-show nerves.

"I just recently turned 18, so this is my big kick-off to start and grow my career. The New York fashion scene is crazy, madness, but I love the energy. I love everything about it-like the hair and makeup today, it's incredible. I've never had my eyebrows bleached; I don't even look like myself," Jenner said.

Adding, "I'm a little nervous for the show, but I'm really excited. It's my first runway show, so I've been practicing. I feel like everybody has their own individual walk, and that's what makes someone so special. Maybe I'll run down the runway!"