Redfoo of LMFAO performs with &#39;Dancing With The Stars&#39; pro dancers Jenna Johnson, Emma Slater, Lindsay Arnold and Witney Carson on week 6 of ABC&#39;s &#39;Dancing With The Stars&#39; on April 21, 2014. Redfoo served as a guest judge on the ABC show. <span class=meta>(ABC Photo &#47; Adam Taylor)</span>
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