Leeroy Bailey, 35, who was part of a troupe that reached the last show in the first series, was released on bail after a five-minute hearing at Warwick Crown Court.
He denied one charge of neglecting a child in a manner likely to cause suffering or injury to health, alleged to have occurred in February this year.
A trial is set for February 2017.
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Mr Bailey, from Foleshill in Coventry, is a specialist in breakdance and disco, and has also worked as an actor, teacher and model.
He was arrested by West Midlands Police in February and charged in April.
A dancer who reached the final of Britain's Got Talent in 2007 is to face trial accused of neglecting a child.