Khloe Kardashian and Lamar Odom shocked fans, friends and family members in September of 2009, when they said “I do” after just one month of dating. And while their romance was a reality TV fairytale while it lasted, things soon turned very ugly for the famous duo.

In 2012, Odom, 39, had to receive treatment for his cocaine addiction, and one year later, a string of women came forward to accuse the NBA star of cheating on his wife. By the end of 2013, Kardashian, 34, had filed for divorce, but Odom, still in denial, refused to sign the papers.

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In 2015, Kardashian revealed on an episode of Keeping Up With the Kardashians that she was still speaking to Odom despite being separated from him. The athlete was still suffering from deep emotional issues and addictions, however, and things only took a turn for the worse. On October 13 of 2015, Odom was found unconscious inside the “Bunny Ranch,” a grimy Las Vegas brothel. Onlookers thought he was dead, as did his famous ex who rushed to his side despite their rocky past.

In REELZ’s new docuseries, Khloe & Lamar: Irreconcilable Differences, fans get to take a look back at the former couple’s complex relationship: the good, the bad, and the very, very ugly.

“Khloe and Lamar had a whirlwind romance and were married after just a month of knowing each other and everyone thought it was gonna fail,” says Star magazine’s Shallon Lester in the show teaser.

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People didn’t think they’d last even one year, and though they proved the public wrong by lasting a whole seven years, Khloe and Lamar’s relationship was far from perfect.

“It was fascinating to watch because what got them wasn’t a lack of love for each other. It wasn’t even [that] they realized they didn’t know each other that well or didn’t get along,” explains Lester. “It was drugs, it was infidelity, it was baby mamas. It was so many other factors that were bigger than the two of them and it just created this perfect tabloid storm that you really couldn’t look away from.”

Khloe & Lamar: Irreconcilable Differences airs Thursday, December 13 at 9 ET/7 PT on REELZ.

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