The 62-year-old TV star and dance champion said she feels the best she's ever felt after undergoing the cosmetic procedures.
The special also saw the return of former judge Bruno Tonioli.
The judge said contestants have to try and win votes.
The former 'X Factor' star was warned her powerful Salsa lacked finesse.
The retired footballer has said sorry for shouting at Shirley Ballas over her low score the week before.
The singer unexpectedly ended up in the dance off last weekend.
Anton Du Beke said Shirley Ballas must have had her reasons for the decisions as head judge.
The head judge of the BBC dance show appealed to fans "let’s all respect each other and enjoy the show. "
The star was more nervous than when she'd danced in World Championships.
The BBC One show is heading into its 20th series, with the judges reflecting on contestants past.
The show will find out which celebrity couple is the strongest.
Shirley Ballas is hard at work on a pair of novels about 'sex, intrigue and lies'.
Du Beke has been made a judge now that Bruno Tonioli is leaving.
There's a shake-up on the judges' desk at the BBC One hit show.
The former 'Strictly' dancer and the show's head judge exchanged words over the Russian invasion of Ukraine.
The 'Strictly' head judge lost her brother David 18 years ago.
Shirley decided to undergo tests when 'Strictly Come Dancing' viewers noticed a lump under her arm.
The 'Strictly' head judge thanked fans for their concern.
The 61-year-old judge is due to undergo further tests in hospital this week, but admitted she is trying not to worry.
Shirley Ballas says her sex life with partner Danny Taylor is in a healthy place.
The long-standing judge will be replaced this series.
The 60-year-old 'Strictly' judge has had seven stitches and is believed to have suffered tendon damage after slicing open her hand.
The 60-year-old dance teacher revealed doctors had found a lump between two bones in her shoulder while she was being treated for long COVID.
Shirley Ballas said she was trapped in bed for two weeks when she caught COVID-19 earlier this year.
Strictly Come Dancing judge Shirley Ballas has shut down rumours that Carrie Symonds will appear on this year's series.