Professor Green has debuted his new single.

The rapper will unleash 'Lullaby' - which features Tori Kelly - on September 15.

The tune is the first single to be lifted from Green's upcoming third album 'Growing Up In Public', which will hit shelves on September 22.

The track is produced by Chris Loco and it will be released by Virgin EMI.

Tori Kelly commented: "It is an honour to be on the same song with such a respected artist like Professor Green. When I first heard 'Lullaby' I knew it would be an amazing opportunity to sing it. Then when I met him and we got to perform it together, it all seemed to sink in. I became even more excited and more in love with the song."

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Listen to the song below: