The song is the lead single from RiRi’s upcoming, untitled album.
Rihanna, who is nominated for Best Rap Sung/Collaboration for “The Monster” with Eminem, last performed “Stay” at the 2013 Grammys.
21-time Grammy winner Kanye will make his first appearance on the Grammy stage in six years. In addition to performing with Rihanna, the rapper will deliver a “never-before-seen” solo performance.
Other previously announced performers include Usher, Pharrell Williams, Sam Smith, Madonna, Ariana Grande, and Ed Sheeran.
Six-time nominee Beyoncé is also rumored to perform as part of a tribute to Selma, which includes Common and John Legend.
Music’s Biggest Night airs live on Sunday, Feb. 8, from Staples Center in Los Angeles.
The Grammys will air on CBS.