Liu Yifei. According to relevant information, Liu Yifei has been dubbed the "fairy sister" by netizens, but the "fairy sister" is not perfect either. Although Liu Yifei's appearance is impeccable when her mouth is closed, once Liu Yifei opens her mouth and smiles, her gums are exposed at a glance, so she is called the buck-toothed fairy and is a famous actor in China.