Shirley and Corky are parents to son Mark, 35, who is a professional dancer on Dancing With The Stars in the US.
As well as welcoming Shirley back, Strictly Come Dancing has also taken on Anton Du Beke as a full-time judge, after he took over from Bruno Tonioli last year due to Covid travel restrictions.
Bruno told BBC One’s The One Show on Thursday that he will now concentrate on his role as a judge on Dancing with the Stars, which is filmed in Los Angeles.
Two popular professional dancers have also left the show, as the tight knit cast were forced to wave farewell to Aljaž Škorjanec and Oti Mabuse.
Express.co.uk have contacted Shirley’s representatives for further comment.