After weeks of captivating audiences with extraordinary and jaw-dropping auditions, Britain's Got Talent draws closer to crowning its series 16 winner as the spectacular semi-finals get underway.Each live semi-final sees the return of performers who previously wowed the judges in London and Manchester, in addition to our Golden Buzzer acts, which this year includes more than ever before.Eight contestants will perform in each live semi-final. The first finalist is chosen via public vote and the second finalist will be chosen by the judges.