Take to your deckchairs - it's Blackpool week! As our seven surviving couples head to the Tower Ballroom, who will rock? And whose seaside trip will be a washout? Charge glasses and don kiss-me-quick hats, we're about to go over live to Elstree Studios... A quirk of the stats: Strictly history tells us that whoever tops the scoring in Blackpool rarely goes on to lift the glitterball trophy.