'Disgrace!' Kim Rips Into Her Sister Kourtney Over Justin Bieber
![Kim Kardashian Kourtney Fight Justin Bieber](https://media.radaronline.com/brand-img/kpIFscLnt/480x251/2015/12/kim-kardashian-kourtney-fight-justin-bieber.jpg?position=top 480w, https://media.radaronline.com/brand-img/kpIFscLnt/640x335/2015/12/kim-kardashian-kourtney-fight-justin-bieber.jpg?position=top 640w, https://media.radaronline.com/brand-img/kpIFscLnt/768x402/2015/12/kim-kardashian-kourtney-fight-justin-bieber.jpg?position=top 768w, https://media.radaronline.com/brand-img/kpIFscLnt/1024x536/2015/12/kim-kardashian-kourtney-fight-justin-bieber.jpg?position=top 1024w, https://media.radaronline.com/brand-img/kpIFscLnt/1280x670/2015/12/kim-kardashian-kourtney-fight-justin-bieber.jpg?position=top 1280w, https://media.radaronline.com/brand-img/kpIFscLnt/1440x753/2015/12/kim-kardashian-kourtney-fight-justin-bieber.jpg?position=top 1440w, https://media.radaronline.com/brand-img/kpIFscLnt/1600x837/2015/12/kim-kardashian-kourtney-fight-justin-bieber.jpg?position=top 1600w, https://media.radaronline.com/brand-img/kpIFscLnt/2160x1130/2015/12/kim-kardashian-kourtney-fight-justin-bieber.jpg?position=top 2160w)
Aug. 12 2016, Updated 3:19 p.m. ET
![Kim Kardashian Kourtney Fight Justin Bieber](https://media.radaronline.com/brand-img/IaVuTEE2a/480x342/2015/12/kim-kardashian-kourtney-fight-justin-bieber.jpg 480w, https://media.radaronline.com/brand-img/IaVuTEE2a/640x456/2015/12/kim-kardashian-kourtney-fight-justin-bieber.jpg 640w, https://media.radaronline.com/brand-img/IaVuTEE2a/768x547/2015/12/kim-kardashian-kourtney-fight-justin-bieber.jpg 768w, https://media.radaronline.com/brand-img/IaVuTEE2a/1024x729/2015/12/kim-kardashian-kourtney-fight-justin-bieber.jpg 1024w, https://media.radaronline.com/brand-img/IaVuTEE2a/1280x911/2015/12/kim-kardashian-kourtney-fight-justin-bieber.jpg 1280w, https://media.radaronline.com/brand-img/IaVuTEE2a/1440x1025/2015/12/kim-kardashian-kourtney-fight-justin-bieber.jpg 1440w, https://media.radaronline.com/brand-img/IaVuTEE2a/1600x1139/2015/12/kim-kardashian-kourtney-fight-justin-bieber.jpg 1600w, https://media.radaronline.com/brand-img/IaVuTEE2a/2160x1537/2015/12/kim-kardashian-kourtney-fight-justin-bieber.jpg 2160w)
Kourtney Kardashian has been going wild after splitting with Scott Disick, and her little sister Kim Kardashian is far from thrilled.
*PREMIUM EXCLUSIVE* Kourtney Kardashian joins Quincy Combs for a dinner date **NO AUSTRALIA** **WEB EMBARGO UNTIL 10:30AM PST, MUST CALL FOR PRICING**
![Kim Kardashian Kourtney Fight Justin Bieber](https://media.radaronline.com/brand-img/3b__B2Fj1/480x359/2015/12/kim-kardashian-kourtney-fight-justin-bieber-01.jpg 480w, https://media.radaronline.com/brand-img/3b__B2Fj1/640x478/2015/12/kim-kardashian-kourtney-fight-justin-bieber-01.jpg 640w, https://media.radaronline.com/brand-img/3b__B2Fj1/768x574/2015/12/kim-kardashian-kourtney-fight-justin-bieber-01.jpg 768w, https://media.radaronline.com/brand-img/3b__B2Fj1/1024x765/2015/12/kim-kardashian-kourtney-fight-justin-bieber-01.jpg 1024w, https://media.radaronline.com/brand-img/3b__B2Fj1/1280x956/2015/12/kim-kardashian-kourtney-fight-justin-bieber-01.jpg 1280w, https://media.radaronline.com/brand-img/3b__B2Fj1/1440x1075/2015/12/kim-kardashian-kourtney-fight-justin-bieber-01.jpg 1440w, https://media.radaronline.com/brand-img/3b__B2Fj1/1600x1194/2015/12/kim-kardashian-kourtney-fight-justin-bieber-01.jpg 1600w, https://media.radaronline.com/brand-img/3b__B2Fj1/2160x1612/2015/12/kim-kardashian-kourtney-fight-justin-bieber-01.jpg 2160w)
Kourtney Kardashian's flirtation with Justin Bieber, including during a Dec. 17 dinner date in Beverly Hills, has left her sister Kim Kardashian completely disgusted.
EXCLUSIVE: Kourtney Kardashian is all smiles leaving Justin Bieber’s residence at The Montage at 4am in Beverly Hills
![Kim Kardashian Kourtney Fight Justin Bieber](https://media.radaronline.com/brand-img/iEalvhYnD/300x499/2015/12/kim-kardashian-kourtney-fight-justin-bieber-02.jpg 300w)
"Kim has told Kourtney she's a disgrace and it's lame and disgusting," a source told RadarOnline.com of the eldest Kardashian's hookups with Bieber, including at The Montage in Beverly Hills on Dec. 12.
![Kim Kardashian Kourtney Fight Justin Bieber](https://media.radaronline.com/brand-img/-skXGF_pg/332x500/2015/12/kim-kardashian-kourtney-fight-justin-bieber-04.jpg 332w)
"Kim has been begging Kourtney to think of the kids instead of constantly trying to get back at Scott Disick with all these 'look at me' outings and sleazy late nights with Justin and other young kids," a source said.
Kourtney Kardashian shows nipples while leaving Kendall Jenner’s Birthday Party at The Nice Guy with Khloe Kardashian!
![Kim Kardashian Kourtney Fight Justin Bieber](https://media.radaronline.com/brand-img/p8N7o0PaW/377x500/2015/12/kim-kardashian-kourtney-fight-justin-bieber-03.jpg 377w)
Kim, said the source, is "grossed out to see this type of behavior from her big sister, of all people."
Kourtney Kardashian gets a helping hand from Corey Gamble out of AMA party
![Kim Kardashian Kourtney Fight Justin Bieber](https://media.radaronline.com/brand-img/QuL2KIYPp/331x500/2015/12/kim-kardashian-kourtney-fight-justin-bieber-06.jpg 331w)
Do you think Kourtney deserves to have some fun after dealing with all of Scott's issues, or should she try to reign in her wild behavior?