Jason Merritt, Getty Images
will perform on the American Music Awards, set to air live from Los Angeles on Nov. 18. The country, pop and rap superstars join previously-announced performers Taylor Swift
, Nicki Minaj
, Linkin Park
and Christina Aguilera
as musical entertainment for the show, now celebrating its 40th anniversary. Additional AMA star power will be announced in the coming weeks.
Nicki Minaj and Rihanna
lead this year's AMA nominees
with four nods apiece. Carrie Underwood and Luke Bryan
lead the country categories
with two nominations each. Winners are determined by you -- the fans. Cast your votes here
, and see a full list of 2012 American Music Awards nominations here
"The 40th Anniversary American Music Awards" will air Nov. 18 at 8:00 PM ET on ABC.
Watch a Report on the 2012 AMA Awards