As much as we loved the 90s, and the gems that it gave us, we can't deny that the decade produced very questionable trends. From super skinny eyebrows, to blue shadows and tendrils, we made enough cringe-worthy beauty choices to last a lifetime. But since 2017 is seeing a 90s revival, some of the styles we embraced way back when are making a comeback. CosmopolitanMore recently, people have been revisiting the unnecessary trend that is the "tooth gem," and we're not sure how to feel about it. In case you tried to forget about tooth gems are, here's a