News broke yesterday that the 33-year-old Keeping Up With The Kardashians star's NBA player boyfriend had been cheating on her with several different women, with various videos surfacing online seemingly confirming the rumours.
This is not the first time the pregnant star has had to deal with such allegations.
Kardashian dealt with allegations of extramarital affairs during her nearly eight-year relationship with ex-husband Lamar Odom.
A source close to Odom, 38, told PEOPLE: 'Lamar feels terrible for Khloe. He wasn’t sure if he should reach out and see how she’s doing. He feels for her.'
Kardashian and Odom wed in September 2009, one month to the day after they met, and nine days after they got engaged. The marriage fell apart after the former basketball player’s cheating scandal and drug relapse, which led Kardashian to file for divorce in 2013.
Khloe is currently due to give birth to her and Thompson's first child, a baby girl, any day now. Her mother Kris Jenner has flown to Cleveland to be by her side.
Neither her or Tristan have responded to the shocking footage.