A rumored lineup for the 2021 Mnet Asian Music Awards, also known as MAMA, has netizens buzzing. The list, posted by a netizen on an online community forum, includes K-Pop acts such as BTS, TWICE, and NCT 127, as well as international acts like Japanese idol group AKB48 and Canadian singer Justin Bieber. Canadian singer-songwriter Justin Bieber. | @justinbieber/Instagram Lee Hyori was […]