Oh boy is right!

Before Rob Dyrdek and his wife, Bryianna, announced they were expecting a baby boy, the two were “so convinced” Bryianna was pregnant with a daughter — until Hollywood Medium’s Tyler Henry persuaded them otherwise!

RELATED: Tyler Henry Helps the Late Brittany Murphy Connect With a Famous Friend

On last night’s Hollywood Medium, the young medium, 20, helped connect the Ridiculousness star, 41, with his late grandfather before making the big baby reveal.

“Ultimately, I see you being a father for a little boy. I can guarantee you that you will be a, like, father figure for a little boy in your lifetime,” Tyler confessed. “I can absolutely guarantee to you, out of anything that I’ve said, that I know for a fact.”

In another room, Bryianna remarked that the two were “so convinced” they were having a girl!