The live line-up for the biggest night in the music biz has just expanded, as more acts join the fray.
As well as the previously-announced Lady Gaga, Childish Gambino, Little Big Town, P!nk and Ben Platt are new additions Bruno Mars, SZA, Cardi B, Kesha and Luis Fonsi with Daddy Yankee.
Rapper Logic will also reprise the performance he gave at the VMAs with his suicide awareness song '1800-273-8255', alongside Khalid and Alessia Cara.
The Grammys will be hosted by James Corden and take place at New York's Madison Square Garden on Sunday, January 28th.