First Grammy Performers Unveiled: Olivia Rodrigo, BTS, Billie Eilish, More The first batch of Grammy award performers have been announced. Brothers Osborne, BTS, Brandi Carlile, Billie Eilish, Lil Nas X with Jack Harlow and Olivia Rodrigo are set to perform. The Grammys are taking place in Las Vegas and hosted by Trevor Noah. It will…