Zendaya, Val and Gleb reprise last night's trio at the judges request. Jason Derulo and Emeli Sandé perform their latest hits. Twitter viewers choose the dances couples will perform in the semi-finals. Derek choreographs a weightless dance routine.
Did You Know?
The Other Side
Written by Jason Derulo
, DJ Ammo
(as DJ Ammo) and Martin Johnson
Performed by Jason Derulo See more