Kourtney Kardashian sizzles in cleavage-baring top and tight trousers as she parties the night away with a coy Justin Bieber

By Kayleigh Giles For Mailonline

Published: 04:06 EST, 10 October 2015 | Updated: 18:34 EST, 10 October 2015

He's close friends with her younger sisters Kendall and Kylie Jenner.

But it seems Justin Bieber also boasts a pretty cosy relationship with Kourtney Kardashian as the duo partied together at Mr. Nice Guy in West Hollywood on Friday night.

Not content with calling it a night, Justin, 21, and Kourtney, 36, were then seen leaving the trendy night spot and heading off in the same car.

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Party time! Kourtney Kardashian seemingly enjoyed a night on the town with Justin Bieber on Friday night in Hollywood as the two were seen leaving the trendy Mr. Nice Guy club together

Party time! Kourtney Kardashian seemingly enjoyed a night on the town with Justin Bieber on Friday night in Hollywood as the two were seen leaving the trendy Mr. Nice Guy club together

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Kourtney Kardashian has been the latest stylista to champion the trend, as she stepped out with Justin Bieber (this is as confusing to us as shapewear is to men) wearing a nude body, which she teamed with white tailored trousers and black sandals.

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It turned out that the pair had more fun in mind as they showed up at Universal Studios' Halloween Horror Nights.

Justin shared a black and white photo of the two together wearing special glasses as they made they way around the creepy haunted mazes at the LA theme park.

He posted the selfie on his Instagram account on Saturday but without a caption.

Making their fans' night, hundreds of park-goers took to Twitter to express their excitement at seeing the A-listers enjoying a night out at the event together.

Spooky! Justin, 21, and Kourtney, 36, scared themselves silly at the Universal Studios Halloween Horror Nights attraction later on Friday

Spooky! Justin, 21, and Kourtney, 36, scared themselves silly at the Universal Studios Halloween Horror Nights attraction later on Friday

Odd couple! The mom-of-three didn't seemt o care if she was photographer with The Biebs but the singer tried to keep covered up with a baseball cap and hoodie 

Odd couple! The mom-of-three didn't seemt o care if she was photographer with The Biebs but the singer tried to keep covered up with a baseball cap and hoodie 

Showing off her petite frame, Kourtney dared to bare in a plunging pastel pink vest top, with its tight fit emphasising the reality star's sizable bust and toned arms.

She paired the style with form-fitting white trousers, slinky black stilettos and a sharp black blazer, which she draped coolly over her shoulders. 

Her raven locks were worn in a sleek style around her face, which featured a strong contour and dewy nude lipstick. 

See more news on Kourtney Kardashian and her celebrity friends 

Carrying on the fun: Not content with calling it a night, the famous pairing were seen heading off in the same car as they left the celebrity haunt

Carrying on the fun: Not content with calling it a night, the famous pairing were seen heading off in the same car as they left the celebrity haunt

Gorgeous: Showing off her petite frame, Kourtney, 36, dared to bare in a plunging pastel pink vest top, with its tight fit emphasising the reality star's sizable bust and toned arms
Gorgeous: Showing off her petite frame, Kourtney, 36, dared to bare in a plunging pastel pink vest top, with its tight fit emphasising the reality star's sizable bust and toned arms

Gorgeous: Showing off her petite frame, Kourtney, 36, dared to bare in a plunging pastel pink vest top, with its tight fit emphasising the reality star's sizable bust and toned arms

Hop in! Justin was seen escorting newly single Kourtney to his SUV after partying the night away

Hop in! Justin was seen escorting newly single Kourtney to his SUV after partying the night away

Walking out of the club and into a sea of flashing photographers, the Keeping Up With the Kardashians beauty was followed closely behind by Justin, who looked to want to keep a low profile.

Seemingly attempting to hide his face, the What Do You Mean? hit-maker sported a camouflage print jacket which he wore with the hood up, despite already concealing his face beneath a grey baseball cap. 

The singer finished the look with loose-fitting black trousers and white trainers as he walked in between Kourtney and her pals.

Stunning: The star's raven locks were worn in a sleek style around her face, which featured a strong contour and dewy nude lipstick

Stunning: The star's raven locks were worn in a sleek style around her face, which featured a strong contour and dewy nude lipstick

Figure envy! The reality star paired the style with form-fitting white trousers, slinky black stilettos and a sharp black blazer, which she draped coolly over her shoulders

Figure envy! The reality star paired the style with form-fitting white trousers, slinky black stilettos and a sharp black blazer, which she draped coolly over her shoulders

Justin boasts a close relationship with the Kardashian clan and famously enjoyed a holiday with now 34-year-old Kim in the Bahamas in 2010.

The two were seen playing around in the ocean, much to onlookers' delight.

The Baby crooner's most recent holiday appears to have caused joy for an entirely different reason after pictures emerged online showing him completely naked while heading for a skinny dip into the waters surrounding his Bora Bora holiday hut.

Part of the family! Justin boasts a close relationship with the Kardashian clan, particularly Kourtney's half-sisters Kendall and Kylie Jenner

Part of the family! Justin boasts a close relationship with the Kardashian clan, particularly Kourtney's half-sisters Kendall and Kylie Jenner

Hiding! Walking out of the club and into a sea of flashing photographers, the Keeping Up With the Kardashians beauty was followed closely behind by Justin, who wanted to keep a low profile

Hiding! Walking out of the club and into a sea of flashing photographers, the Keeping Up With the Kardashians beauty was followed closely behind by Justin, who wanted to keep a low profile

Covered up: The What Do You Mean? hit-maker sported a camouflage print jacket which he wore with the hood up, despite already concealing his face beneath a grey baseball cap

Covered up: The What Do You Mean? hit-maker sported a camouflage print jacket which he wore with the hood up, despite already concealing his face beneath a grey baseball cap

 

 

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