Each dancing couple formed an exclusive support bubble, which meant one half of the bubble was a single adult household living alone and the other could remain with their household, allowing them to have close contact with one another.
Close contact cohorts were also introduced and work similarly to support bubbles, but included regular and routine testing for coronavirus. Each couple was put into a close contact cohort and could not form a bubble with anyone else during the competition.
The series was won by Bill Bailey and Oti Mabuse, with EastEnders star Maisie, singer HRVY and Jamie Laing all finishing as runners-up.
Strictly will return tonight and his year, the BBC ballroom show will see the likes of Tom Fletcher, Ugo Monye, Robert Webb, AJ Odudu, Rhys Stephenson and Nina Wadia compete for the glitterball trophy.