Sam Smith and Pharrell Williams are among the 2015 Grammy performers.
The annual awards had already announced pop queen Madonna would be joined by Ariana Grande, Ed Sheeran, AC/DC and Eric Church at the event.
And now things are getting even better, with Pharrell, Sam, Miranda Lambert, Usher and John Legend added to the line up.
The official Grammy Twitter page announced the exciting news in a series of tweets, kicking things off with 22-year-old Brit Sam.
"#SamSmith will make his debut on the GRAMMY stage with a performance on Music's Biggest Night! (sic)," they posted.
The singer is one of the big names of the night, as he has a massive six nominations. Among them are nods for album of the year with debut In the Lonely Hour, record of the year with Stay with Me and best new artist.
John, 36, will be joined by Common on stage, with whom he picked up a Golden Globe for their Selma soundtrack. They are also nominated for an Oscar and John has a Grammy nod for best pop solo performance thanks to his live rendition of love song All of Me.
Usher, 36, has four nominations at the Grammys in categories including best R&B song and best R&B performance.
Pharrell, 41, also bagged four nods, standing against Sam for album of the year with G I R L and John for best pop solo with his live version of Happy.
The 2015 Grammys are set to take place on February 8 at the Staples Center in Los Angeles.
