Mega Talent Signed On For The Grammy Nominations Concert Live

Usher, The Band Perry and singing sensation Rihanna are all on for "The Grammy Nominations Concert Live," also other big name talent signed on are Lady Gaga, Lupe Fiasco and Sugarland . The Event is hosted by LL Cool J. The show is set to air on CBS live from L.A.'s Nokia Theatre on Nov. 30 2011.