Britain's Got Talent - Season 13 (ULTIMATE)

A high-energy children's choir (David Walliams' choice).

X , a mysterious mentalist later revealed to be Marc Spelmann , a former semi-finalist who had returned under a mask to emphasize themes of hope. Britain's Got Talent - Season 13

A group withdrew following the tragic death of one of its members; their audition was never aired out of respect. Judges and Production A high-energy children's choir (David Walliams' choice)