DWTS Season 21 - Switch Up Week - Opening Number - Week 5 featuring: Val Chmerkovskiy, Jenna Johnson, Artem Chigvintsev, Sharna Burgess, Mark Ballas, .\r<br>\r<br>DANCING WITH THE STARS - SEASON 21 - BALLROOM DANCING COMPETITION Week 5 | Switch Up Night “Dancing With the Stars” features stars and their .\r<br>\r<br>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>Bindi Irwin & Valentin Chmerkovskiy dance the Cha Cha to Hold My Hand by Jess Glynne on Dancing With The Stars Switch Up Night - DWTS Season 21 .