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After years of turmoil, things are over for Kourtney Kardashian and Scott Disick. The couple, who first got together in 2006, have broken up, according to People.

Disick has completed stints in rehab for substance abuse and can frequently be seen partying on Keeping Up With the Kardashians. Disick spent time with his ex-girlfriend Chloe Bartoli in Monte Carlo last week, and sources tell People the 32-year-old continues to struggle with sobriety.

“He’s in a classic shame spiral right now. He knows he’s screwing up, and he knows what he needs to do,” a source told People this weekend. “He has people telling him to go home and work things out, to stop this behavior, to repent and to move forward. But he’s not doing it.”

While Disick partied with his ex, Kardashian, 36, was spotted alone in California heading into the holiday weekend. People‘s source adds that the two had not spoken for “some time.”

The longtime partners have three children together: Mason, 5; Penelope, 2; and 7-month-old Reign Aston.

Head to People for more on Kourtney and Scott’s breakup.