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"Rihanna and U2 have been added to the list of performers at this year&amp;#039;s Grammy Awards.  Kid Rock, Robert Plant and Alison Krauss have also joined the lineup. Coldplay, Jennifer Hudson, the Jonas Brothers, Katy Perry, Carrie Underwood and Kenny Chesney have already been confirmed.  Jay-Z, Lil Wayne and Kanye West will team up for a special performance of their hit single &amp;#039;Swagga Like Us&amp;#039;. TI is also expected to collaborate with Justin Timberlake.  Foo Fighters frontman Dave Grohl will play the drums for Paul McCartney, while Radiohead will make their first live US TV performance in nine years.  The first roster of presenters has also been announced. Duffy, Samuel L. Jackson, Gwyneth Paltrow, Jack Black and Simon Baker will all hand out awards.  The 51st annual Grammy Awards takes place at the Staples Centre in Los Angeles on February 8.  "^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.digitalspy.com/music/news/a145026/rihanna-u2-join-grammy-performers/>