Danica McKellar & Val Chmerkovskiy - Cha Cha Cha - Week 6 By Author Free Britney at Apr 22, 2014 • Category Dancing with the Stars Danica McKellar & Val Chmerkovskiy – Cha Cha Cha – Dancing with the Stars Week 6. https://www.youtube.com/watch?v=tRmEvsFjgHI