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"Katy Perry, Jennifer Lopez and TLC are to perform on the 2013 American Music Awards. The trio of acts will take to the stage at the Nokia Theatre in Los Angeles on November 24.   Perry will open the American Music Awards with her new single &amp;#039;Unconditionally&amp;#039;, while TLC are to be joined by a special guest for their appearance. American Idol judge Jennifer Lopez has been enlisted for a tribute to the late Cuban-American singer Celia Cruz.  The American Music Awards will also feature live performances from Justin Timberlake, Ke$ha, Lady Gaga, Luke Bryan, Miley Cyrus, and Macklemore and Ryan Lewis. Macklemore and Ryan Lewis lead this year&amp;#039;s nominees with nods in six categories, while Timberlake and Taylor Swift are right behind them with five each. Pitbull is hosting the 2013 ceremony, which will air live on ABC on November 24 at 8pm ET. Watch Katy Perry&amp;#039;s &amp;#039;Unconditionally&amp;#039; lyric video below:      "^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.digitalspy.com/music/news/a531089/katy-perry-jennifer-lopez-tlc-to-perform-on-american-music-awards/>