In tonight's episode, five secret celebrities return with sensational new routines. Two of them will then have to compete in a dramatic Dance Off, and at the end of the show the identity of the fourth celebrity of the series is revealed.

Enjoy the mystifying clues, the energetic routines and the amazing reveals every night, as we continue to ask "Who is Behind the Mask?"

In tonight's semi final the six remaining celebrities battle for a place in the final – but only four of them can make it, as two of them will be unmasked tonight.  

Crack the baffling clues, dance along to the incredible routines and enjoy the amazing reveals every night, as we continue to ask "Who is Behind the Mask?"