This Week's tuktok Ten - Olly Murs feat. Demi Lovato - 'Up' 

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6. Olly Murs feat. Demi Lovato - 'Up'

The dream team spend their sixth consecutive week in the top ten of the Big Top 40 chart. It seems like anything Demi puts her voice to turns into gold, gold we tell you! Picture: PA

Olly Murs Feat. Demi Lovato - 'Up'

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