Greg James sits in for Reggie Yates to count down the Top 10 and reveal the UK's new Official No 1 with all the videos streamed live online at bbc.co.uk/radio1.
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Greg James sits in for Reggie Yates to count down the Top 10 and reveal the UK's new Official No 1 with all the videos streamed live online at bbc.co.uk/radio1.
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