“They are not dating,” a source tells PEOPLE. “There is nothing romantic going on with Sabrina and Lamar. It’s fake.”

I wouldn’t be surprised if this is someone from the Kardashian camp trying to take Lamar down a notch or two. 

What isn’t fake is her sitting on Lamar’s lap. 

Flip the Page to See more of Lamar’s ‘Fake’ Girlfriend:  

👇