Grammy Awards up-date

The 56th Annual Grammy Awards, set to take place on January 26, has beefed up its performance lineup. Lorde and Katy Perry have been added to the show, as well as a unique collaboration between Metallica and Cultural Ambassador to China Lang Lang. Robin Thicke will perform with classic group Chicago, and as reported yesterday, Pharrell Williams, Nile Rodgers and Stevie Wonder will team with Daft Punk. They join previously announced performances by Kendrick Lamar with Imagine Dragons; P!nk and Nate Ruess; and a special performance featuring Merle Haggard, Kris Kristofferson, Willie Nelson, and Blake Shelton. LL Cool J returns as host of Music's Biggest Night.