Tristan Thompson allegedly used social media to meet women behind girlfriend Khloe Kardashian's back.

According to a source, the 27-year-old Cleveland Cavaliers player cheated on Khloe when she was pregnant by sending direct messages to women on Instagram and arranging to meet up, Us Weekly reported.

"Tristan slides into girls' DMs," the source said. "He messages girls that way, on Instagram, and then meets up with them."

And Tristan apparently has a type when it comes to women he finds attractive.

"He likes exotic or non-American-looking girls with big butts," the source added.

Tristan allegedly cheated on the 33-year-old Keeping Up with the Kardashians star with a handful of women.

The allegations Tristan was unfaithful surfaced just to days before Khloe gave birth to their daughter, True Thompson, on April 12.

Earlier this month, the Daily Mail published a video of Tristan appearing to make out with a mystery brunette at a club in New York City.

The Shade Room also posted photos of Tristan and what appeared to be the same woman walking into the Four Seasons hotel in NYC on April 8. The brunette was caught on camera leaving the hotel hours later with her Louis Vuitton overnight bag.

To make matters worse for Tristan, TMZ posted a surveillance tape at the time showing him making out with one woman and motorboating another at a Washington, D.C. hookah lounge in October 2017, when Khloe was three months along into her pregnancy.

An insider told Us that Thompson is "incredibly remorseful for everything that has happened" and has asked Kardashian "to give him another chance and to give them time as a couple and a family to bond."

It is unclear whether Khloe plans to forgive Tristan and stay in Cleveland or leave him and move back to Los Angeles to be with her friends and family. Khloe has made it known she's madly in love with Tristan, so it remains to be seen whether that love is unconditional.

Prior to getting involved with Khloe in September 2016, Tristan dated Jordan Craig, whom he allegedly split from in mid-2016 when she was pregnant with the couple's one-year-old Prince Oliver.
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Khloe, who was previously married to Lamar Odom, confirmed she was expecting her first child in December 2017 following months of reports. The Revenge Body host then revealed she was pregnant with a baby girl in March.

About The Author: Elizabeth Kwiatkowski
Elizabeth Kwiatkowski is Associate Editor of Reality TV World and has been covering the reality TV genre for more than a decade.