Strictly Come Dancing's head judge Shirley Ballas has revealed what the audience and show's stars are banned from doing during certain performances.
The 'Queen of Latin' is currently on screens every weekend casting her expert eye over the BBC One competition's latest performances.
The series is currently hotting up as the celebrities and their professional partners pass the halfway mark.
Earlier this week Shirley, 61, appeared on Good Morning Britain to chat about the new series, her health and her book.
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But she also gave away a backstage rule viewers probably won't be aware of.
Speaking about the Rose Ayling-Ellis, who is the first deaf celebrity to take part in Strictly, she said: "I think first of all Giovanni has done an absolutely immaculate job.
"And we have a translator off to our left helping her to understand what is being said and the criticism and the critiques.
"And nobody is allowed to clap while she's dancing so that she can feel the vibrations, and the music. So her other senses are really highlighted."
Rose, who is partnered with Giovanni Pernice, is currently favourite to win the competition after impressing the judges and show's viewers.
Last weekend during the Halloween special Giovanni was reduced to tears as they were given a perfect score - the earliest 40 has been given in Strictly's history.
But EastEnders star Rose, 26, is doing much more than just dance.
Sharing an amazing update on Twitter, the Frankie Lewis actress said: "Hi everyone, thank you so much for all of your interest in learning BSL.
"I cannot believe the Google search for learning sign-language has increased by 488 percent. AMAZING."
Rose also has interpreters on set and the show's executive producer revealed before the series that the team were having deaf awareness training.
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