The final four couples perform two dances, with one couple being crowned the winner; performances from Dan + Shay, Lauren Daigle, Avril Lavigne, John Schneider, Robin Thicke and Tinashe.

The remaining couples treat viewers to some terrifying thrills.

The remaining eight couples dance to country music songs.

The 12 remaining couples dance to iconic songs from New York; Sarah Bockel performs; the couples dance to a style they haven’t yet.

Blue Man Group joins the dancers for the opening performance; Boyz II Men performs; the couples dance to a style they haven’t performed yet.

The professional dancers perform together, Mackenzie Ziegler performs, and the cast of “Dancing With the Stars: Juniors” makes an appearance.

A new cast of 13 celebrities kick off the competition by performing together to Erin Boheme’s “I Won’t Dance.”

Graham’s Christmas list includes funnymen Matt Lucas and David Walliams, and The Doctor himself – Matt Smith.