Jess Glynne has revealed that she has worked with Nicola Roberts on a track for Iggy Azalea.

The singer and songwriter told Capital FM that the tune sounds "amazing" with the Australian rapper on it.

However, the 'Rather Be' star isn't sure whether the track will be released.

Glynne said: "I wrote this song with Nicola Roberts, 'Invisible Men', and it was for Iggy. It's such an amazing song.

"I can't imagine anyone else using it. She's put something on it and it sounds amazing. I don't know whether she's going to use it, but it's an amazing song. I hope to hear it one day."

Azalea released her debut album 'The New Classic' last year.

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Watch Jess Glynne being interviewed below: