'What the f*ck!?' Khloe Kardashian films tipsy Kourtney on the toilet... then posts it on Snapchat

By Kayla Caldwell For Dailymail.com

Published: 10:14 EST, 1 August 2016 | Updated: 15:10 EST, 1 August 2016

She looked chic and sexy as she donned a skintight, leather mini dress to party at The Nice Guy for younger, half-sister Kylie Jenner's 19th birthday party.

But while enjoying the festivities, Kourtney Kardashian had quite the embarrassing moment as sister Khloe caught her on the toilet in a short video that she shared to Snapchat.

The 37-year-old was obviously upset with her sibling, 32, showing off a shocked expression before dropping a few expletives as Khloe and a friend laughed.

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'What the f**k?' Khloe Kardashian caught sister Kourtney unaware as she Snapchatted her on the toilet in a comical video shared from Kylie Jenner's 19th birthday party

'What the f**k?' Khloe Kardashian caught sister Kourtney unaware as she Snapchatted her on the toilet in a comical video shared from Kylie Jenner's 19th birthday party

Someone can be heard shouting: 'Peeing on Snapchat!' as Kourtney flashes a surprised face at being caught on camera.

Khloe then pans the camera to show a friend, who is crouching down in the doorway as she bursts into laughter.

Earlier the pair had looked cool and collected as they arrived at the bash, having driven over to the event together.

Got you! The star pulled a shocked face as she was snapped by Khloe with her tiny, black underwear pulled down while sitting on the toilet
Got you! The star pulled a shocked face as she was snapped by Khloe with her tiny, black underwear pulled down while sitting on the toilet

Got you! The star pulled a shocked face as she was snapped by Khloe with her tiny, black underwear pulled down while sitting on the toilet

Hilarious: After revealing Kourtney's surprise, Khloe panned the camera to show one of their friends bowled over in laughter 

Hilarious: After revealing Kourtney's surprise, Khloe panned the camera to show one of their friends bowled over in laughter 

Khloe started off the clip, holding the camera focused on her as she confidently said: 'The party's about to start because Kourt and I are about to get there.'

Then Khloe turned the camera to include her older sister, who added: 'Exactly! We bring the vibes.'

After the bathroom raid, Khloe continued to film sister Kourtney, who looked stunning in her figure-hugging, leather mini dress, with her long, raven tresses styled into a long braid.

Feeling her look: The Strong Looks Better Naked star had begun the video by focusing on herself as she showcased her look for the night before arriving at the party

Feeling her look: The Strong Looks Better Naked star had begun the video by focusing on herself as she showcased her look for the night before arriving at the party

New 'do: The video gave fans a glimpse at Khloe's new purple braids

New 'do: The video gave fans a glimpse at Khloe's new purple braids

Here we come! She joked in the video that 'the party's about to start because Kourt and I are about to get there'

Here we come! She joked in the video that 'the party's about to start because Kourt and I are about to get there'

The mother-of-three looked to have imbibed a bit too much, as she joked with Khloe in one clip: 'I am on level $10 million,' while throwing one arm in the air and laughing.

'No 24 cents,' Khloe added, laughing at her sister, who held onto the refrigerator door handle as she chatted.

Kourtney then chastised the Strong Looks Better Naked author for continuing to film her, as she was 'trying to have private convos over here.'

'Exactly!' Her sister agreed, adding: 'We bring the vibes'

'Exactly!' Her sister agreed, adding: 'We bring the vibes'

Birthday girl! Khloe posed for a photo alongside younger, half-sister Kylie Jenner, who was having an early celebration for her 19th birthday, which is August 10

Birthday girl! Khloe posed for a photo alongside younger, half-sister Kylie Jenner, who was having an early celebration for her 19th birthday, which is August 10

As Khloe laughed, Kourtney tilted her head down and out of view of the camera, while also putting her hand up to block her from filming.

However, she continued to tape, teasing her sibling as she then asked her: 'Kourtney, are you a celebrity?'

After a few attempts, the raven-haired beauty finally answered, barely holding back laughter as she quipped: 'I'm a celebrity, get me out of here!'

Family matters: Kylie's older, half-sister Kim Kardashian (L) and her mother Kris Jenner (pictured with boyfriend Corey Gamble, R) also showed up to celebrate the star's birthday on Sunday
Family matters: Kylie's older, half-sister Kim Kardashian (L) and her mother Kris Jenner (pictured with boyfriend Corey Gamble, R) also showed up to celebrate the star's birthday on Sunday

Family matters: Kylie's older, half-sister Kim Kardashian (L) and her mother Kris Jenner (pictured with boyfriend Corey Gamble, R) also showed up to celebrate the star's birthday on Sunday

'My bestie' Kylie's on-off boyfriend Tyga was by her side at the bash, with the make-up maven sharing a pda-filled snap of the two from the night's photo booth

'My bestie' Kylie's on-off boyfriend Tyga was by her side at the bash, with the make-up maven sharing a pda-filled snap of the two from the night's photo booth

Kylie's other family members: including mother Kris Jenner, with boyfriend Corey Gamble, sister Kendall Jenner, and older, half-sister Kim Kardashian were also in attendance.

She was, of course, joined by boyfriend Tyga, though Caitlyn Jenner was not photographed at the special gathering.

Other guests at the party included actress and model Karrueche Tran, Kourtney's ex Scott Disick, and Chris Brown.

 

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