Kendall Jenner shocked not only the fashion world but legions of her Keeping Up With The Kardashians fans when she walked the runway at the Marc Jacobs Fall 2014 show at New York Fashion Week on Thursday.

Kendall & Kylie Jenner PacSun Photo Shoot

The 18-year-old reality star strutted down the catwalk sporting a sharp bobbed wig, powdered out eyebrows, two-toned cropped trousers, coordinating tights and shoes, and a sheer, light brown V-neck top.

The young model's most shocking element of her look was going braless underneath her sheer top, exposing both of her breasts in full. While stars like Nicki Minaj usually wear pasties to cover their nipples when their breasts are exposed, Jenner's were in clear view as her photo was snapped.

Kendall and Kylie Jenner Announce Madden Girl Collection

See the pictures here.

It is not the first time the teen has flashed her breasts. She posted a braless photo of herself taken during a photo shoot back in Nov. 2013.

Jenner began her modeling career by signing on with the Wilhelmina agency at age 14, but signed on with the more prestigious The Society Management agency last November.

She previously revealed that she didn't think she was going to be taken seriously as a model because of her reality-show persona.

"I don't think some people take me very seriously," she said to V Magazine last year. "When I started off, I was way more of a personality in modelling and it wasn't like, what I wanted to be exactly."

Jenner also revealed that her biggest goal was to work with premium design fashion houses like Chanel and Dolce & Gabbana.

So far, she has also done work for PacSun alongside her sister Kylie, and the two recently revealed that they would be designing a new shoe and handbag line for Madden Girl.