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!
Can't get enough exclusive Britain's Got Talent: Unseen magic?
Nah - us neither! See more unbelievable talent on the ITV Hub.
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UNBELIEVABLE! Bill Cheung Works His MAGIC! | BGT: UNSEEN ─ Britain's Got Talent
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