It's Saturday night at the movies as Strictly celebrates some of the biggest films in history. We are now down to 14 couples and every one of them has to deliver an amazing routine to a classic movie track stay in the competition. Who will get into character and deliver award-winning performances, and who will be flops at the box office? Tess Daly and Claudia Winkleman host an evening full of sparkling moves, iconic songs and plenty of surprises.