A BRITAIN’S Got Talent act from Rayleigh has been announced in tonight’s semi-final line-up.

Bethan Marshall, known as ‘Mary P’, on the show got four Yes votes in her audition after performing to the Black-Eyed Peas song My Humps as Mary Poppins.

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Judges were left wowed and shocked at the performance.

The star has now been announced in the line-up for tonight’s live semi-final, where she will battle it out for a place in the grand-final.

In tonight’s show alongside Rayleigh’s ‘Mary P’ is Dame Nation, The Frontline Singers, The Phantom, Titan the Robot, Five Star Boys, Stefano Paolini, and Loren Allred.

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Only two acts will then make it through to the final on Sunday night.

To see how Mary P gets on in the Britain’s Got Talent live show tonight, will have to tune into ITV from 8pm.