Christina Aguilera, Ariana Grande to Perform at American Music Awards

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Christina Aguilera

The duo A Great Big World also has been added to the long list of performers for the Nov. 24 awards show.

Another day, another American Music Awards announcement.

Christina Aguilera has been added to the growing list of performers at this year's music awards show, where she will perform "Say Something" with New York duo A Great Big World. Ariana Grande, meanwhile, also has been added to the bill.

Aguilera, Grande and A Great Big World join previously announced performers Rihanna, Justin Timberlake, Luke Bryan, Miley Cyrus, Florida Georgia Line, Lady Gaga, Ke$ha, Imagine Dragons, Kendrick Lamar, Macklemore & Ryan Lewis, One Direction, Jennifer Lopez, TLC (with a special guest), Katy Perry and Pitbull, who also hosts.

The AMAs will be broadcast live from the Nokia Theatre in L.A. on Sunday, Nov. 24, from 8-11 p.m. ET/PT on ABC.

Winners are determined by fan votes at Fans also can vote on Twitter for the first time this year.

The American Music Awards is produced by Dick Clark Productions. Allen Shapiro and Michael Mahan are executive producers, with Larry Klein as producer.

Full disclosure: Like Dick Clark Productions, The Hollywood Reporter and Billboard are owned by Guggenheim Partners.

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