Will.i.am has continued his new partnership with The Voice's Leah McFall by penning a "heart-melting" track with the singer.

McFall came runner-up to Andrea Begley on the June final of The Voice UK, but it seems her career is heading in the right way under the tutelage of will.i.am.

He revealed on Twitter on Sunday (July 7) that the duo have written new material together, saying:

"Think @leahmcfallmusic and I just made the most heart melting song of our lives...#musicMEDICINE."

McFall then replied: "I love it. Just woke up singing it. Is the world ready???!"

The talent show contestant then teased a live collaboration with will.i.am, posting a photo of herself rehearsing along with the words:

"Guess What we're rehearsing for?????!!! iamwill."