*Jay-Z, Lil Wayne, T.I. and Kanye West are among the newest artists added to the performance lineup for the 51st annual Grammy Awards, to be held Feb. 8 at Los Angeles' Staples Center.
The quartet is expected to perform their hit single "Swagga Like Us," while T.I. will also take the stage with Justin Timberlake to rock their current duet, "Dead and Gone."
Other newly-added artists include Paul McCartney, who will be backed by Foo Fighters frontman Dave Grohl on drums; and Radiohead, in their first live U.S. television performance in nearly nine years.
Previously-announced Grammy performers include Kenny Chesney, Coldplay, Jennifer Hudson, Jonas Brothers, Katy Perry and Carrie Underwood.