The first of two spectacular Eurovision Song Contest Semi Finals from the vast Olympiyski Stadium in Moscow, Russia. A total of 18 countries are taking part and viewers can vote for their favourite to go through to the Grand Final.
Eurovision stalwart Paddy O'Connell provides his own unique commentary on the evening's proceedings while Sarah Cawood is backstage interviewing acts from all over Europe and the UK's Jade Ewen. There's also a preview of the second Semi Final.
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