DWTS All-Stars Semifinals: Shawn Johnson and Derek Hough's Argentine Tango (VIDEO) Tweet November 19, 2012 at 09:37PM EST by Rebecca Martin Related: Dancing With The Stars, Derek Hough , Season 15 , Shawn Johnson , Season 15 Episode 16 Credit: YouTube Shawn Johnson and Derek Hough's Argentine Tango to "Bad" from the DWTS All-Stars semifinals.
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