Musician James Bay has opened up about how he came to perform live with Justin Bieber at this week's BRIT Awards in London. 

The pair teamed up for a performance of Bieber's 'Love Yourself' and 'Sorry', and he told Newsbeat that he just happened to be in the right place at the right time:

"I met him at four in the morning at an Italian MTV EMA party. He was very good on the pool table, that's the first thing I noticed."

"He was a lovely guy but I've seen him and his manager at other different points along the way and became more and more friendly." Bay added that it was then just a simple question that secured the deal: "They were in a spot for this show where they needed a guitar player and it was kind of a 'hey do you fancy doing it?'"

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Watch footage of the unlikely pair's on stage collaboration here: