DWTS Dance All Night Winter Tour Pro Cast - Performance - Halloween Night - Week 7 featuring: Artem Chigvintsev, Emma Slater & Brittany Cherry, Val .\rbr\rbrBindi Irwin & Derek Hough - Vampire Queen Argentine Tango - Halloween Night - DWTS Season 21 Week 7.\rbr\rbrDWTS Season 21 Team Nightmare - Halloween Night - Freestyle - Week 7 featuring: Tamar Braxton & Val Chmerkovskiy, Nick Carter & Sharna Burgess, Hayes .\rbr\rbr\rbr\rbrDancing With The Stars Season 21 Week 7 Tango (Halloween Night). Nick Carter & Sharna Burgess.