“Selling Sunset” starChrishell Stausehas had a very publiclove life.

But as the star toldE!

So why did the co-workers decide to open up about their relationship status?

Chrishell Stause and Jason Oppenheim make red carpet debut as couple

Well, it turns out that one person in the office was onto the new couple!

And just who it was will not surprise “Selling Sunset” fans.

He’s one of my absolute best friends, we co-parent our dogs together."

Chrishell Stause, Mary Fitzgerald, and Jason Oppenheim pose together on red carpet

News, “there’s no hiding it from Mary.”

People were getting a little savvy to it.