With Elizabeta & Val gone from the competition, Rob Kardashian & Cheryl, Kristin Cavallari & Mark , Chynna Phillips & Tony, Nancy Grace & Tristan, David Arquette & Kym, Hope Solo & Maksim, Carson Kressley & Anna, J.R. Martinez & Karina, Ricki Lake & ... (more)Derek, and Chaz Bono & Lacy take to the dance floor for Story Week.