Taylor Swift, Halsey, Carrie Underwood and Dua Lipa hit red carpet at the AMAs

Taylor Swift wore an elegant asymmetrical green dress on the red carpet while she prepared to take home the "artist of the decade" award on Sunday at the American Music Awards. Halsey wore bold eye makeup and a ruffled floral dress before performing "Graveyard" later at the show at Microsoft Theater in downtown Los Angeles. And Carrie Underwood showed off in sparkly purple dress, while Dua Lipa wore a bright pink dress. Among the male nominees, Post Malone and Lil Nas X were among the boldest dressers at the AMAs.