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Justin Bieber and Pitbull light up the 'DWTS' ballroom

<div class="meta image-caption"><div class="origin-logo origin-image "><span></span></div><span class="caption-text">Justin Bieber performed on &#39;Dancing With The Stars: The Results Show&#39; on Tuesday, September 25, 2012. He sang his second single off his &#39;Believe&#39; album titled &#39;As Long as You Love Me.&#39; (ABC Photo&#47; Adam Taylor)</span></div>
October 16, 2012 8:07:42 PM PDT