The actor Bethany Antonia was filmed during rehearsals wearing a T-shirt bearing the slogan "Protect the Dolls", which has become a sign of support for the rights of trans women. Proceeds from sales of the T-shirt, designed by Conner Ives, are donated to the UK trans charity Not A Phase.
Footage shown on Saturday's live show, and later on the BBC's iPlayer platform, edited out the wording, making the T-shirt appear plain white. However, a social media video posted by the BBC last week had shown Antonia training in the T-shirt with her professional dance partner, Nancy Xu, with the slogan clearly visible.
A BBC spokesperson said: "As is standard practice on any entertainment show on the BBC and in line with our editorial guidelines, appropriate steps are taken to reduce the inclusion of any overt branding or slogans that may be present, regardless of the wording or statement in question."
Antonia has not commented on the BBC's editing. The corporation has previously edited clothing to meet editorial standards. In 2017, it blurred out a T-shirt worn by Clean Bandit singer Grace Chatto that expressed support for then Labour leader Jeremy Corbyn, during the pre-election period in which extra broadcasting impartiality rules apply.
The T-shirt had previously been worn by prominent figures including actors Pedro Pascal and Tilda Swinton, and singer Troye Sivan.