She added: "Tristan's a very grounded, sound human being that comes from a great family".
She also admitted that she was no longer taking birth control pills, which could mean a baby could come sooner rather than later for the reality star and her man.
She said: "Tristan and I definitely talk about starting a family". Khloe had gone wine tasting with her sisters on May 12 but declined to have any alcohol.
And it wouldn't be a Kardashianparty without a well-lit photo booth. However, the couple is not expecting, especially since the next day Kardashiantweeted that she was hungover. You are one of the strongest, most determined people I know, and I love going through life together. "I was blown away!" she wrote. I'm so lucky and blessed!
"You could tell that Tristan is really in love with her and stuck by her side all night", the source stated.
The pregnancy put Khloe in the awkward position of supporting her new boyfriend as he welcomed his first child.
When do you think will Kardashian and Thompson have children?
Khloe's sister Kim Kardashian West and their half-sibling Kendall Jenner shared videos of Khloe arriving at the venue with Tristan and looking surprised as her family surprised her.
Speculation about Khloe being pregnant or trying to get pregnant flew last month near the start of the National Basketball Association finals when the Cavaliers battled against the Golden State Warriors.
Khloe Kardashian is reportedly ready to become a wife and a mother! We'll just have to wait and see!