Dancing with the Stars

Week 4: Switch-Up Night (18x4)

Air date: Apr 07, 2014

Julianne Hough returns to the show as a guest judge as the contestants face their toughest challenge yet. In a series-first, they switch partners for the competition based on the home audience's Twitter votes. The episode also saw the return of the Macy's Stars of Dance, choreographed by Derek Hough.