TMZWhile on the set of his new flick “Welcome to the Jungle” in Puerto Rico on Tuesday, action star of yore Jean-Claude Van Damme proved he’s still the Muscles from Brussels by showing off his tan, buff bod … and his new Tom Selleck approved ’70s porn stache

If JCVD could’ve looked like this the whole time, I gotta wonder what the fuck was going through his mind all these years. This is the look, Jean-Claude. This is the one. Keep it forever.