It came after months of speculation regarding her pregnancy, where she refused to confirm or deny the rumours.
On April 13, 2018, it was reported that Khloe had given birth to a baby girl.
In one video, 32-year-old Khloe could be seen grinding on her new man in the busy nightclub while someone in their entourage filmed the display.
Another clip saw Tristan lift up his mask and sticking his tongue out and Khloe followed suit before they shared a kiss.
But her pregnancy was marred with allegations he has cheated on her - here's what we know about him...