Mariah Carey Performing at American Music Awards Mimi will take the stage at the popular awards show on October 9. The singer’s first AMAs performance was in 1991 for a rendition of her hit “Someday.” Now, Carey will debut her single, “With You,” from her upcoming album. Her last performance at the awards show was back in 2008. She is joining a star-studded lineup featuring Halsey, Khalid, Imagine Dragons and more. The American Music Awards will air live at 8:00 p.m.