2012 American Music Awards

<div class="meta "><span class="caption-text ">MC Hammer, left, and Psy perform at the 40th Anniversary American Music Awards on Sunday, Nov. 18, 2012, in Los Angeles. &#40;Photo by Matt Sayles&#47;Invision&#47;AP&#41; </span></div>
November 18, 2012 9:10:24 PM PST