Ariana Grande has debuted a new track.

The singer is releasing her second album 'My Everything' on August 25 and the latest song to air from the record is 'Best Mistake'.

The song, which features Big Sean, is available to buy in the US on iTunes.

'Best Mistake' follows on from previous singles 'Problem' and 'Break Free'.

Before unveiling the song, Grande took to Twitter to pay her respects to actor Robin Williams, who was found dead after an apparent suicide on Monday (August 11).

She wrote: "#RIPRobinWilliams so heartbreaking....thank u for the joy & laughter....condolences, love and light to his family during this tragic time.

"So sad :'( hope he is at peace and his spirit feels how much love he is getting."

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Listen to Ariana Grande's 'Best Mistake' below: