*Fourteen-time Grammy winner Alicia Keys will team up with current Grammy nominees Maroon 5 for a special performance at the 55th Annual Grammy Awards.
Frank Ocean is also set to perform at the awards show, and he is nominated for six awards himself, including Record of the Year for Thinkin Bout You, Album of the Year and Best Urban Contemporary Album for Channel Orange, and Best New Artist.
Maroon 5, already a three-time Grammy winner, is nominated this year for best pop duo/group performance for “Payphone,” and best pop vocal album for “Overexposed.”
Previously announced performers include Rihanna, Taylor Swift, Carrie Underwood, The Black Keys, The Lumineers, Mumford & Sons, Jack White and Justin Timberlake, as well as Elton John and current nominee Ed Sheeran performing live together for the first time.
Two-time Grammy winner LL Cool J will host the awards again this year. Presenters announced already are current nominees Carly Rae Jepsen and Katy Perry, as well as Kaley Cuoco, Neil Patrick Harris, five-time Grammy winner Faith Hill, three-time Grammy winner Tim McGraw, and four-time Grammy winner and new American Idol judge Keith Urban.
The 55th Annual Grammy Awards will air live on Sunday, Feb. 10, at 8 p.m. ET/PT on CBS.