Grillz. Not only do they make it seem as if the wearer brushed their teeth with diamond cream, but they also lend to a sort of “robot monster” look. Nonetheless, several celebrities have rocked the trend, from Miranda Kerr (above) to Bieber himself. Check out our gallery of eight famous grills, and then let us know what you think!

Apparently J Beebz fans flipped out when they thought his grill was real! Forget Ryan Lochte almost losing his gold medal for wearing grillz at the Olympics; it would be worse to have a pack of angry Beliebers after you! Head on over to the source to see even more! [via Fashionista]

What do you think of grillz? Which of these is your favorite?