Cooper Koch says he didn't wear prosthetics in his nude scene in “Monster.”

“Monsters: The Lyle and Erik Menendez Story” has sparked some deep conversations, but let’s be honest – Cooper KochThe full frontal shower scene was also a very hot topic.

The actor spilled the tea when he bared all for the Netflix show, cheekily admitting on Watch What Happens Live: “Mine wasn't a prosthetic” – the explanation coming straight after the host Andy Cohen pointed out Mark Wahlberg wore a fake penis in “Boogie Nights” while counting down Hollywood's “five most iconic full-frontal moments.”

Cohen was excited to hear the admission and excitedly quipped, “That would be my next question! Congratulations to you, Cooper. You are very blessed, aren’t you?”

Cooper clearly knew how to make an impression, both on and off screen… he smiled cheekily at the camera and replied, “Well… hung.”

Of course, Cooper has received critical acclaim for his acting role Erik Menendez in the Ryan Murphy show, with Nicholas Alexander Chavez follow in the footsteps of Lyle.