2018 has been a year of drama for Khloe Kardashian - and it ain't over yet.

Right back at the start of the year, the reality star announced that she and her boyfriend, Tristan Thompson, were expecting their first child together. Fans were elated for her, of course - but the joy didn't last. Shortly before Khloe was due to give birth, Tristan was caught up in a scandal that exposed him as a cheater: first with a woman who claimed on Instagram that she had slept with him, and then via TMZ, who posted footage of him behaving flirtatiously with women in a club.

Needless to say, Khloe was not happy, and nor were the rest of the Kardashian family.

One by one, the KUWTK stars made their feelings known about the NBA star - but Khloe agreed to stay with him in the end. Since then, he's been on slightly better behaviour (though there are still rumours flying around about his infidelity), and the whole incident seems to have been put in the past.

However, the latest season of Keeping up with the Kardashians is still airing - and it's only just got to the bit where Tristan's cheating is revealed. At the same time, questions arose about why Khloe allegedly hooked up with Tristan while his girlfriend of the time was pregnant... and now she's finally responded.

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A few days ago, someone left this comment on Khloe's Instagram page:

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But Khloe hit back, saying that she "completely thrives" when she's alone, and that she does not need Tristan to survive.

"If he does it again, then I will deal with that but those are my choices. Right or wrong they are mine. I appreciate the support, unsolicited opinions and love I get from you all. I'm not excusing anyone's behaviour."

She then went on to add: "PS he never left ANYONE for me."

But fans begged to differ, and showed pictures that Khloe shared of her and Tristan while he was still supposed to be with his then-girlfriend, Jordan Craig.

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Khloe denied this, saying the pictures were taken at another time. But critics kept hitting back:

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Kardashian refused to back down, however.

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So, right now, the official Kardashian stance is that Khloe didn't start dating Tristan while he was still with Jordan... even if the reports and social media posts of the time say differently.

It also appears that Khloe is doubling down on her support of her partner, saying in another Instagram post that "we all make mistakes" and that Tristan has "grown from this" and is now "a beautiful father".

In all likelihood, then, we'll never get to the bottom of this matter. And, as for Khloe's and Tristan's relationship lasting - only time will tell.

Khloe Kardashian finally responds to claims that Tristan Thompson left his pregnant ex for her