Robin Roberts joins the judges panel for this week's competition as couples perform dances inspired by the stars most memorable years. Injuries claim their first victim as Billy Dee Williams is unable to perform and is disqualified.
Julianne Hough returns to the show as a guest judge once again. In a change of pace the entire cast opens the show with a wild group dance. Then the contestants switch partners for the competition based on the home audience's Twitter votes. Scores are combined with last week's for next week's elimination. In a special surprise Derek shows off his first choreographed routine for the Macy's Stars of Dance.
Following a group dance by the entire cast James and Peta reprise last night's freestyle at the request of the Twitter audience. Iggy Azalea, NeNe Leakes, Code Simpson, Ariana Grande and Christina Perry perform. Each couple performs one of their memorable dances leading up to the finalists final competitive dance; the "24 Hours Fusion Challenge."
Alfonso and Whitney step down from the top of the leader board to reprise last night's dance at the judges request. Smokie Robinson is the night's musical guest. The new pros are introduced. One of the returning pros chosen by the audience is embarrassed by their DWTS audition video. Sadly, one couple is eliminated.
The stars change partners based on audience voting for "Switch-up" night. In case that isn't disorienting enough they dance to obscure dance styles. But couples are spared an elimination this week. Jessie J joins the judges and performs in the opening number.