Latin American Music Awards debut!The 20-year-old Mexican American singing sensation brought her signature rainbow-colored locks and husky-smooth voice to the annual awards show on Thursday. Already boasting more than 1.7 million followers on TikTok, Castillo rocked the BB&T Center in Sunrise, Florida, performing an euphoric rendition of Mexican songwriter Consuelo Velázquez's classic «Bésame Mucho.»Castillo wore a pale pink ensemble that featured a silver skirt, tights and knee-high boots.