Rihanna, Usher and The Band Perry Added To Grammy Awards Nomination Concert

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The acts join previously announced performers Lady Gaga, Ludacris, and Sugarland for the LL Cool J-hosted Nov. 30 show.

The Grammys will be putting on a show...before the show. 

Rihanna, Usher and The Band Perry have been added to the already star-studded lineup for the awards show's nominations concert at Nokia Theatre L.A. LIVE Nov. 30 it was announced Wednesday. 

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Lady Gaga, Ludacris, Lupe Fiasco, Sugarland and Jason Aldean were previously announced as performers for the one-hour event, hosted by LL Cool J, that will include the announcement of nominations for the 54th annual show. 

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The event is also teasing a live announcement from an un-named band (though the official Grammy Twitter feed hinted at Van Halen Nov. 3) who will be reuniting on the Grammys stage during the Feb. 12, 2012 show.