After last night's amazing performances, it's time for Tess Daly and Claudia Winkleman to reveal the two couples with the lowest combined scores from the judges and the public vote.Then it's down to business as the bottom two dancing duos take to the famous ballroom floor to dance for survival. Which couple will Shirley, Darcey, Bruno and Craig save, and who will leave the competition?The remaining 11 couples will go forward to next weekend for the spook-tacular Strictly Halloween special. This weekend's musical performance comes from Irish rock band The Script and the judges will once again be putting Saturday night's routines under the microscope.