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 .\r<br>\r<br>Bindi Irwin & Val - Cha Cha in Season 21 of Dancing with the Stars(DWTS) Week 5 on Oct 12th, 2015. Week 5: Switch-Up Individual judges scores in the chart .\r<br>\r<br>BINDI SUE IRWIN (AGE 17) - SUNSHINE COAST, QUEENSLAND, AUSTRALIA - TELEVISION PRESENTER From: The Crocodile Hunter | Dance Style: .\r<br>\r<br>The afterbuzz comments for Bindi and Vals Cha cha on the fifth week of Season 21 of Dancing with the stars. On the panel are Suri Serano, Anna Trebunskaya .