FILE - In this Oct. 30, 2012 file photo, U.S. singer Nicki Minaj performs on stage to promote the release of her second album &quot;Pink Friday: Roman Reloaded&quot; at the O2, London. Justin Bieber will share the stage with Nicki Minaj, Ludacris and Chris Brown will perform with Swizz Beatz, and other top talent are scheduled to perform at the American Music Awards, Sunday, Nov. 18, 2012, broadcast live on ABC.  (AP Photo/Invision, Mark Allan, File)
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