pbr Lady Gaga, Eminem and Katy Perry have all been confirmed to perform at this year's Grammy Awards.br ppbr Also taking to the stage at February's ceremony will be Canadian rock band Arcade Fire and US rapper Cee Lo Green.br ppbr Meanwhile, there is growing speculation that Britney Spears will also perform her new single, Hold It Against Me, at the ceremony on 16 February.br ppbr Rapper Eminem is leading the nominations with ten, including the three big categories, best album, best song and best record of the year for Love The Way You Lie.br ppbr Lady Gaga has six nods, while Katy Perry has four. Both are nominated in the best album and best female categories.