Preview Clips Of What To Expect On Tonight's Britain's Got Talent

Watch Princess AKA Hypno Dog try to put Simon Cowell in a trance.

LISA SAMPSON a 35-year-old self-taught hula hoop instructor and mum from West Sussex, who impresses with her energetic, multi-hooped routine.

IMD - A 25 piece dance crew from East London made up of 9 to 18-years-olds who impress the judges with their slick routine.

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