Amy Purdy and Derek Hough killed it again tonight on Dancing With the Stars with a sultry routine of the Argentine Tango. Even though Purdy was suffering from a back injury, they persevered and gave an incredible performance.
It's a perfect score for @AmyPurdyGurl and @derekhough! #DWTS
— Official DWTS (@DancingABC) May 6, 2014
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