S15, E1: The celebrities take to the floor for their first group dance, and there is a very special group routine as everyone on Strictly pays tribute to Sir Bruce Forsyth.

Starring Alexandra Burke, Aston Merrygold, Brian Conley

S15, E1: The celebrities take to the floor for their first group dance, and there is a very special group routine as everyone on Strictly pays tribute to Sir Bruce Forsyth.