UNBELIEVABLE! Bill Cheung works his MAGIC! | Auditions | BGT: Unseen

Seriously... How does he do that?!
We challenge you to try and guess how the unbelievable Bill Cheung works his magic...
Watch as he takes card tricks to a whole new level and ropes in Amanda as his glamorous assistant!
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Nah - us neither! See more unbelievable talent on the ITV Hub.
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