Rihanna Diamond Grill PHOTO: RiRi Flashes Shiny, Sexy Smile on Instagram, 'I'm an Outlaw B*tch!' More Bada$$ than Justin Bieber and Miley Cyrus Grillz? [POLL]

Rihanna never ceases to amaze fans with her wild, crazy antics. The "Stay" songstress recently posted some major bling on Instagram... including a flashy Diamond grill! RiRi captioned the shiny smile with, "I'm an outlaw b*tch!" Rihanna's just the latest celeb to flaunt such bada$$ style... does she pull the look off better than Justin Bieber and Miley Cyrus? Fans decide! Read More »