Party girl Kylie Jenner shares behind the scenes footage of her star-studded NYFW bash... with Khloe Kardashian twerking up a storm and Kourtney perfecting her pout

With New York Fashion Week now well underway, Kylie Jenner is pulling out all the stops to remain the centre of attention.

The 18-year-old wasted no time in taking to her social media sites to give fans a sneak peek of all the backstage action at an after-party thrown by Galore Magazine, held at Up & Down nightclub on Monday.

Taking to her Snap Chat app, the reality TV star happily shared footage of the fun-filled night, including snippets of her sisters partying up a storm.

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Playful nature: Kylie Jenner wasted no time in taking to her social media sites to give fans a sneak-peak of all the backstage action at a NYFW after-party, held at Up & Down nightclub on Monday

Playful nature: Kylie Jenner wasted no time in taking to her social media sites to give fans a sneak-peak of all the backstage action at a NYFW after-party, held at Up & Down nightclub on Monday

Khloe Kardashian confidently paraded her cheeky derriere as she twerked infront of the camera, while 36-year-old Kourtney was seen pouting away.

The star-studded bash was held in honour of Kylie, who modelled for photographer Terry Richardson in a provocative photo shoot for the publication.

Accompanied by her boyfriend Tyga, the teenager showed off her toned curves in a sexy short black dress, which boasted a tight waistline and semi-sheer detail.

She's got the booty! Khloe Kardashian confidently paraded her cheeky derriere as she twerked infront of the camera

She's got the booty! Khloe Kardashian confidently paraded her cheeky derriere as she twerked infront of the camera

Strike a pose: Her sister Kourtney, 36, was seen pouting away as she hit the dancefloor

Strike a pose: Her sister Kourtney, 36, was seen pouting away as she hit the dancefloor

Her luscious blonde locks were styled straight for the occasion, while her facial features were accentuated with long lashes, blush tinted cheeks and plush pink lipstick.

Meanwhile, Tyga kept it casual with a purple velvet hoodie and matching rolled-up trousers.

Kylie had quite the big day, with the launch of her new app and website coinciding the same date as the Galore bash.

Doing her thing: Taking to her Snap Chat app, 18-year-old Kylie happily shared footage of the fun-filled night, including snippets of her sisters partying up a storm

Doing her thing: Taking to her Snap Chat app, 18-year-old Kylie happily shared footage of the fun-filled night, including snippets of her sisters partying up a storm

She launched her new website and app called TheKylieJenner.com, giving her fans a behind-the-scenes glimpse into her daily life.

The pretty TV star - whose app quickly shot to number one - addressed breast augmentation rumours in a special video, available only to subscribers.

It was entitled, 'Kylie comes clean: They're real' and demonstrates exactly how she achieves her buxom look. 

Main girl: The star-studded bash was held in honour of Kylie, who modelled for photographer Terry Richardson in a provocative photo shoot for Galore

Main girl: The star-studded bash was held in honour of Kylie, who modelled for photographer Terry Richardson in a provocative photo shoot for Galore

Show some skin in a sheer sleeve dress by Balmain

Forget the runway shows, New York Fashion Week has really been about the Kardashian and Jenner girls.

The first family of reality television have been everywhere with model Kendall stalking down the catwalks of Givenchy and Diane von Furstenberg and Kim, Kourtney, Khloe and Kylie sitting front row and center.

But Kylie had her own party last night to celebrate her cover of Galore Magazine and she looked every inch the girl about town. Her dress is Balmain and not only features sheer sleeves and panels at the waist but also a racy plunging neckline.

The exact dress isn't available to buy online but click (right) to get hold of this version from MATCHESFASHION.COM. Wear with high-heel sandals and scarlet lips to complete this sultry look.

Or spend a whole lot less with one of the more purse-friendly options in our edit below.

* PRICES MAY NOT BE AS ADVERTISED
Close: Later in the evening, Kylie and Khloe were seen leaving the venue together and holding hands 

Close: Later in the evening, Kylie and Khloe were seen leaving the venue together and holding hands 

Almost too much! A closer look at Khloe's dress revealed she was wearing a nude body under the dress, showing all the way to the tops of her legs under the lace

Almost too much! A closer look at Khloe's dress revealed she was wearing a nude body under the dress, showing all the way to the tops of her legs under the lace

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