Here is a cool list of everything that will go down at this weeks American Music Awards: Actress Tracee Ellis Ross will be hosting the American Music Awards. Taylor Swift will be opening the awards with a new performance. Other performers include Cardi B, Post Malone, Dua Lipa, Twenty One Pilots, Camilla Cabello, Shawn Mendez, Mariah Carey, Jennifer Lopez, Ciara and Missy Elliott. Check it out.