S14, E17: Eight couples have danced their best to win a coveted place at the Tower Ballroom, Blackpool. It's now decision time as only seven will make it through automatically and two couples find themselves in the dreaded dance off. To mark Remembrance Sunday, we have a unique performance to mark the lifelong love of a wonderful couple. Plus, Andre Rieu brings a very special version of `Hallelujah' to the Strictly ballroom.