From Psy's "Gangnam Style" trot to Alicia Keys's "Fire" dance, the stars stepped it up at the Staples Center
Credit: Kevin Mazur/WireImage
Updated: Thursday Sep 06, 2012 | 08:30 PM EDT
By: Helin Jung
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From Selena's lace corset to Katy's leopard-print dress, the stars didn't hold back
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In an homage to Cleopatra and '90s choreography, Rihanna cocked her "Cockiness" in front of a serpent's open mouth.
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