Chloe x Halle, and Travis Scott Also Added to Performance Lineup The GRAMMYs have added a group of musicians to their 2019 lineup of performing artists. The Recording Academy has announced that Lady Gaga will be on stage at the STAPLES Center this weekend. Alicia Keys will be hosting the event this year that is set to take place on Sunday, February 10. The ceremony will be broadcasted on CBS. This past weekend, Chloe x Halle kicked off Superbowl LIII with singing the National Anthem. They provided a soulful and classy addition to the show. In contrast, Travis Scott's booking