or is stopped, judges express their opinions and decide whether they would like to see them in the semi-finals, with acts needing to receive a majority vote to go through. The audience is invited to express their views (often boos or cheers) which may have a positive or negative impact on a judge’s decision, should the judge be unsure on whether to put the act through. taken from wiki: en.wikipedia.org … itv britain got talent bgt final finals simon amanda piers dog act kate and gin 2008 tv …