After nearly a decade together, Kourtney Kardashian has reportedly called it quits with her bad-boy baby daddy Scott Disick.
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Disick's partying along with photos of the former model looking intimate with his ex-girlfriend, stylist Chloe Bartoli in Monte Carlo last week, were said to have been the final straw.
"His partying lately has made her make this tough decision," a source told TMZ, who adds that Disick has not been home in over a month.
"Kourtney has always taken Scott back and been by his side, but now with three kids it has gotten old," a separate source told E! News of the break up. "Kourtney has to do what's best for the kids.
"Scott has been running around saying he's single. Kourtney dumped him after she saw the pics [in Monte Carlo] and he hasn't been home after a month-long party binge."
Disick, 32, has famously battled substance abuse issues and was in rehab as recently as March this year.
The couple, who met in 2006, briefly broke up over his drinking in 2010.
They have three children together Mason, 5, Penelope, 2, and Reign, 6 months.
According to E! News, the news site associated with the reality show Keeping Up With The Kardashians, Kourtney, 36, "is putting on a brave face, but she is over it.
"She's fed up. It's humiliating and disrespectful. How much more is she supposed to take?"
Kardashian and Disick have yet to comment publicly on the rumoured split.
Fairfax Media