Grammys 2015: All Our Coverage
And what performances can we expect?
Beck, nominated for album of the year, will perform alongside Coldplay's Chris Martin. Mary J. Blige will duet with Sam Smith. Best new artist nominee Brandy Clark will perform with country legend Dwight Yoakam. Hancock, Mayer and Questlove will all be collaborating with Ed Sheeran. Sheeran will also perform with Sia and Electric Light Orchestra's Jeff Lynne.
Katy Perry Set to Perform at Grammys: Exclusive
According to the Grammys' official site, famed pianist Lang Lang will "add his musicality to one of this year's most infectious songs" and Latin star Juanes will also perform an undisclosed song.
For a complete list of previously-announced 2015 Grammy performers (including Ariana Grande and Madonna) click here.