SOUTH KOREAN K-Pop icons BTS were the big winners at tonight s 49th annual AMERICAN MUSIC AWARDS at L.A.’s MICROSOFT THEATER, hosted by CARDI B and televised on ABC.The seven-piece phenoms won three awards, including ARTIST OF THE YEAR, FAVORITE POP DUO OR GROUP and FAVORITE POP SONG for "Butter." CARDI B, who took home an AMA for FAVORITE HIP-HOP SONG for "Up," was the first female rapper since QUEEN LATIFAH to do so. SILK SONIC – the group formed by .