Reba McEntire and LeAnn Rimes will appear on the Grammys on Sunday (Feb. 11). McEntire, a two-time Grammy winner, will introduce a tribute to country-rock with performances from Rascal Flatts and Carrie Underwood. Rimes, also a two-time Grammy winner, will serve as a presenter. Her single, "Something's Gotta Give," is nominated for best female country vocal performance. Other newly announced presenters include Natasha Bedingfield, Tony Bennett, Nicole Scherzinger (Pussycat Dolls), Seal, jazz musician Ornette Coleman, comedian Lewis Black and actors David Spade and Nicolas Cage.