Rihanna U2 Kid Rock Join Grammy Performers Lineup

As usual, the Grammys are turning into one of the greatest performances of the whole year. U2, Rihanna and Kid Rock were added to an all-star roster of performers that already included Coldplay, Jennifer Hudson, The Jonas Brothers Lil Wayne T I With Justin Timberlake, Carrie Underwood Katy Perry Radiohead Paul McCartney with Foo Fighter Dave Grohl on drums, Wayne, Tip, Kanye West And Jay-Zperforming Swagga Like U and Kenny Chesney.