Going Back to the Future on Dancing With the Stars
Kelly Osbourne and Louis Van Amstel dance a groovy 60's jive.
Donny Osmond and his partner Kym Johnson channel Adam Ant in an 80's paso doble.
Derek Hough and Joanna Krupa design a futuristic paso doble.
Capturing the first perfect score of the season, Mya was a perfectly bad girl in her 70's Donna Summer samba.
Mya and Dmitry Chaplin do an homage to disco in their 70's samba.