- Alfonso Ribeiro (Self - Host)
- Julianne Hough (Self - Host)
- Derek Hough (Self - Judge)
- Carrie Ann Inaba (Self - Judge)
- Bruno Tonioli (Self - Judge)
Episode: Week 4: Switch Up Night
Air Date: 2014-04-07
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.