According to the latest, he's been hooking up with his baby mama on the down-low the entire time he's been dating Sofia.
In On the Joke
Equally crazy is the fact that insiders claim Sofia KNOWS Scott is cheating ... and simply doesn't care.
A Brave Face
“Sofia puts on a brave face in public,” one insider tells Heat magazine (whatever TF that is).
“She seems jealous as hell about Scott and Kourtney recently,” and “heavily suspects that Scott and Kourt have been sleeping together," the source claims.
A Very Disick Response
According to Heat's source, Scott merely “rolled his eyes” when Sofia confronted him.
Goes Without Saying
Scott “really takes [Sofia] for granted," says the insider, really stating the abundantly obvious.