The Grammy bill is filling up, with newly-announced performances by nominees Lorde and Katy Perry.
Stevie Wonder will join a previously announced performance by nominees Daft Punk, and Robin Thicke will team with Chicago. Also new to the bill are Nile Rodgers of Chic, Pharrell Williams and Metallica with Lang Lang, Grammy Cultural Ambassador to China.
They join previously announced performers Kendrick Lamar with Imagine Dragons, Pink and Nate Ruess fun. Also in store is a special star-studded by Merle Haggard, Kris Kristofferson, Willie Nelson and Blake Shelton. Two-time Grammy winner LL Cool J will serve as host of Music's Biggest Night.