They join previously announced performers Kenny Chesney, Coldplay, Jennifer Hudson, Jonas Brothers, Lil Wayne, Paul McCartney -- with special guest drummer Dave Grohl of Foo Fighters -- Katy Perry, Radiohead, T.I. and Justin Timberlake, Carrie Underwood, and Jay-Z, Lil Wayne, T.I. and Kanye West in a special performance of their hit single "Swagga Like Us."
Lined up to be presenters at the show are actors Simon Baker, Jack Black and Samuel L. Jackson; actress Gwyneth Paltrow; singers Duffy and Josh Groban; and jazz musician Charlie Haden.
The 51st annual Grammy Awards show is to be held Feb. 8 at Staples Center in Los Angeles, and will be broadcast live on the CBS Television Network.
N.J. man wakes up from 10-hour sleep with knife in back
Police: Sword-wielding man demanded free tacos