American reality television star Khloe Kardashian reportedly split from rapper French Montana after she found out he was texting her best friend without her knowledge.

According to MediaTakeOut, the rapper and Kardashian's best friend, Malika Haqq, had a "texting" relationship.

"Khloe broke into [French's] phone and saw him sending all kinds of inappropriate texts to her girl [Malaika]. She blacked out on dude, and that's why they broke up," an insider said.

"Khloe has been down with Malaika since forever. They have the kind of friendship that even if Malaika was f*cking Khloe's man, they'd still be friends."

"Besides, I don't think Khloe was into [French Montana] like that," the source added.

The Keeping Up With The Kardashians star, who filed for divorce from professional basketball player Lamar Odom in December, started dating French Montana in April.

However, the 30-year-old Kardashian and the I Ain't Worried About Nothin' hitmaker split recently.

Meanwhile, it was recently reported that Kardashian and Montana's relationship was a publicity stunt for the cameras and Kris Jenner paid the Moroccan-born musician to appear on the family reality show.

During an interview with Billboard, French Montana, whose real name is Karim Kharbouch, revealed that he is getting extra attention from the media after he started dating the Kardashian.

"I want to capitalize on it," Montana said. "I'll get a fan base from everywhere. I just hope I'll be able to connect with everything that's going on."