New judge Alesha Dixon gets lippy on Britain's Got Talent - preview clip

She's bright, beautiful and breathtakingly honest... Meet new kid on the BGT block, Alesha Dixon. Never afraid to press that dreaded buzzer, the sexy star always tells it like it is.

In an EXCLUSIVE preview clip from Saturday night's show, here's Alesha giving a dance duo a dressing down for suggesting she's clueless about freestyle dancing. Say whaaat?

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