Justin Bieber Justin Bieber

Justin Bieber, Ke$ha and Katy Perry will make their American Music Awards debuts next month as performers, producers announced Wednesday.

All three are multiple nominees and will duke it out in the artist of the year race alongside Lady Gaga and Eminem. Bieber is up for four awards, while Ke$ha and Perry each have three nominations. Eminem and Lady Antebellum lead with five bids.

Eminem, Lady Antebellum lead American Music Awards nominations

"As a small-town kid from Canada, I never imagined that I would be nominated for AMAs, let alone be performing on the show," Bieber said in a statement.

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Neither Bieber nor Perry, who married

Russell Brand last weekend, shared their performance plans, but Ke$ha said she will perform a medley that includes her new single "We Are Who We Are."The trio joins Christina Aguilera, Bon Jovi, Pink and Usher as performers.The AMAs will air Sunday, Nov. 21 at 8/7c on ABC.