Darcey Bussell, Len Goodman, Craig Revel Horwood, and Bruno Tonioli returned as judges.
Professionals from the last series who did not return included Ola Jordan, Tristan MacManus, Kristina Rihanoff, Gleb Savchenko, and Aliona Vilani.
[3][4] Chloe Hewitt and Neil Jones were not partnered with a celebrity, although they were on standby for any pro who might have been injured or unable to compete, and also performed in group dances and appeared on the Strictly companion programme, It Takes Two.
Color key: Unless indicated otherwise, individual judges scores in the charts below (given in parentheses) are listed in this order from left to right: Craig Revel Horwood, Darcey Bussell, Len Goodman, Bruno Tonioli.
Musical guest: Barry Gibb — "In the Now" Due to an injury, Anastacia & Brendan were unable to participate in the dance-off.
Musical guests: Alfie Boe & Michael Ball — "Somewhere" (from West Side Story) Couples are listed in the order they performed.
Musical guest: Madness — "Mr. Apples" Will Young withdrew from the competition earlier in the week for personal reasons.
Musical guest: LeAnn Rimes — "How to Kiss a Boy" Brendan Cole was unable to dance due to illness; Anastacia performed with Gorka Márquez instead.
Laura Whitmore suffered an ankle injury during rehearsals and was unable to perform on the live show.
Musical guest: Elaine Paige — "Don't Cry for Me Argentina" (from Evita) Couples are listed in the order they performed.