Alexa PenaVega & Derek Hough dance the Tango to Pompeii by Bastille on Dancing With The Stars Switch Up Night - DWTS Season 21 Week 5.\r<br>\r<br>The comments for Alexa and Dereks Tango from Anna and Dominic on the fifth week of Season 21 of Dancing with the Stars. Derek Hough News site: .\r<br>\r<br>The afterbuzz comments for Alexa and Dereks Tango on the fifth week of Season 21 of Dancing with the stars. On the panel are Suri Serano, Anna Trebunskaya .\r<br>\r<br>Alexa PenaVega & Derek Hough dance the Tango to Pompeii by Bastille on Dancing With The Stars Switch Up Night! Subscribe: Watch .
