Snooping sources close to OC-born MTV star Lauren Conrad are pointing fingers at her former BFF and roommate, Heidi Montag and her BF, Spencer Pratt, who was Conrad’s nemesis throughout The Hills, as the driving forces behind rumors that the “Laguna Beach” star boinked ex Jason Wahler with cameras rolling.

The Laguna Beach, California-raised star notes that Heidi was the one friend who didn’t reach out after news of the alleged tape broke:

“This has literally been, like, the worst week ever, and someone who’s supposedly my friend didn’t even call or text me.”

But Lauren’s former friend deny they had anything to do with reality television’s latest sex tape drama:

“It’s sad someone would make up something like that, and even sadder people think we had anything to do with it,” Spencer claims.

Heidi says, “I feel horrible for Lauren, but I had nothing to do with spreading that false, disgusting rumor.”