Article continues below advertisementNorth West is not letting any critics get her down. The 12-year-old went on Instagram Live on January 26, where she slammed haters who had something to say about her new black grills.Article continues below advertisementNorth West Took to Instagram Live to Slam Her CriticsSource: @Sayitpop/XNorth West showed off her black teeth online.A video from the livestream was later posted to X, showing the daughter of Kim Kardashian and Kanye West displaying a row of dark, bedazzled teeth covers along with her blue hair and long nails.