Format
The couples dance each week in a live show. The judges score each performance out of ten. After all the couples have danced they are then ranked according to the judges' scores and given points according to their rank, with the highest ranked couple receiving a number of points equal to the number of couples dancing that week e.g. 7 points where there are seven couples dancing. When there are no tied scores the lowest scored couple will receive one point. However in the event of a tie where two or more couples obtain the same judges score, the couple below those in the tie will be awarded one point below the points awarded to each of the tied couples. So, for example, if two couples obtain the same rank and obtain 7 points each, the couple immediately below them will be awarded 6 points. When couples are ranked equally by the judges the scoring of all other couples underneath will follow in the same descending order. Should there be any tied scores the lowest scored couple will therefore receive more than one point from the judges scores. The public are also invited to vote for their favourite couples, and the couples are ranked again according to the number of votes they receive, again receiving points; The couple with the most votes receiving the most points. Again in the unlikely event of a tie in the public vote the points are awarded in the same way as the points from the judges score.
The points for judges' score and public vote are then added together, and the two couples with the fewest points are placed in the bottom two. If two couples have equal points, the points from the public vote are given precedence. [6]
As with the previous series, the bottom two couples have to perform a dance-off on the results show. Based on that performance alone, each judge then votes on which couple should stay and which couple should leave, with Shirley Ballas, as head judge, having the last and deciding vote, if needed.