The show’s executive producer Sarah James said Dani and Nikita’s partnership had got off “to the most sensational start”, and “everyone on the show is incredibly sad that she’s no longer able to compete in this year’s series”.

“We send her all our love and best wishes for a swift recovery, and we very much hope to welcome her back to the ballroom in the future.”

Judge Shirley Ballas was among those sending well wishes on Instagram. “I’m so so sorry. But health is most important. Get well soon Angel,” she said.

Dancer Dianne Buswell wrote: “I’m so sorry Dani and Nikita. We will miss you so much xx.”

Fellow professional Johannes Radebe said: “Gutted for you both, take care of yourself.”

Dyer is the second celebrity to withdraw before the contest has even begun, following Game of Thrones actor Kristian Nairn.