ZZ Top's Billy Gibbons and Dusty Hill  turned down $1 MILLION to shave their beards in a Gillette commercial 20 years ago...and Billy says they still wouldn't take the offer.

He says, "No dice.  Even adjusted for inflation, this isn't going to fly.  The prospect of seeing oneself in the mirror clean-shaven is too close to a Vincent Price film...a prospect not to be contemplated, no matter the compensation."

Here's a beardless picture of Billy from high school: