Uh oh! Khloé Kardashian may have just finalized her divorce from Lamar Odom, but the 32-year-old is already causing drama in her new relationship with Cleveland Cavaliers player Tristan Thompson.

The NBA star's pregnant ex, Jordy Craig, isn't happy that the 25-year-old is putting all of his focus on the reality star instead of the upcoming birth of their child.

MORE: Stay Up to Date On All Life & Style Exclusives By Signing Up For Our Newsletter!

"Tristan would be with Jordy at the doctor's office, and he'd be off in the corner FaceTiming Khloé," a source tells Life & Style. "Jordy wants Khloé to back off."

It didn't help that the duo flaunted their romance during a recent trip to Cabo San Lucas, Mexico, and on Halloween.

View this post on Instagram

❤️

A post shared by Khloé (@khloekardashian) on

"She feels completely disrespected by [Tristan] and Khloé," the insider adds.

Will Tristan soon join the ranks of Kardashian exes? See what the famous family's former boyfriends (and husbands!) look like now.