Penciled mustaches was Justin Bieber's tribute to John Waters

Teen heartthrob drew on his own pencil-thin mustache after meeting filmmaker

Baltimore's bawdy John Waters and teenage heartthrob Justin Bieber have a little something in common.

Facial hair.

Justin's, of course, hangs over his eyes — those famously floppy bangs. Waters' creeps across his upper lip.

And now, young Justin, one of the hottest stars on the planet, has let the world know he