dick clark productions has announced A Great Big World and Christina Aguilera will perform "Say Something," and Ariana Grande will also perform at the "2013 American Music Awards." The show will broadcast live from the NOKIA Theatre L.A. LIVE on SUNDAY, NOVEMBER 24th (8:00-11:00 p.m. ET/PT) on ABC.

As previously announced, Luke Bryan, Miley Cyrus, Florida Georgia Line, Lady Gaga, Ke$ha, Imagine Dragons, Kendrick Lamar, Jennifer Lopez, Macklemore & Ryan Lewis, One Direction, Katy Perry, Rihanna, Justin Timberlake, TLC and this year's host, Pitbull, will all perform on this year's AMAs. The "2013 American Music Awards" is produced by dick clark productions. Allen Shapiro and Michael Mahan are Executive Producers and Larry Klein is Producer.

One of the most accomplished performers of the last decade, Christina Aguilera has sold more than 43 million albums worldwide, achieved four #1 singles on the Billboard hot 100 chart, and has won five Grammy Awards, as well as three top five albums in the United States. She has collaborated with other legendary artists including Herbie Hancock, Andrea Bocelli, Tony Bennett, Elton John and The Rolling Stones. Aguilera was also the only artist under 30 to make Rolling Stone Magazine's list of 100 greatest singers of all time and was named one of Time Magazine's Most Influential People in 2013.

The American Music Awards features performances from today's hottest artists and presents fan-voted awards in the categories of Pop/Rock, Alternative Rock, Country, Rap/Hip-Hop, Soul/R&B, Adult Contemporary, Contemporary Inspirational, Latin, EDM, Soundtrack, Single of The Year, New Artist of the Year Presented by Kohl's, and Artist of the Year. The American Music Awards pays tribute to today's most influential and iconic artists. The show is produced by dick clark productions and is seen in more than 160 countries around the world. For more information, visit www.theamas.com, www.dickclark.com or abc.go.com/shows/american-music-awards. The "American Music Awards" are voted on by the fans. For the seventh year in a row, winners will be determined by online voting. Voting has closed for all categories except Best New Artist presented by Kohl's which ends at 9:00 pm ET during the show on November 24th. Fans can continue to vote for this category at AMAvote.com or via Twitter.