The Voice UK winner debut single will be 'Lost Stars' from John Carney's film Begin Again

Dubliner Lucy O'Byrne is in the running to win the series and will go head-to-head with Sasha Simone, Stevie McCrorie and Emmanuel Nwamadi in the live final on Saturday night.

The ultimate winner will release their version of the hit song, which was originally performed by The Voice US coach and Maroon 5 singer Adam Levine.

The song was nominated for an Oscar for Best Original Song and featured in John Carney's Begin Again which starred Keira Knightly.  Levine performed the song at the Oscars this year.

Lucy is the only surviving member of Will.i.am's team whilst Ricky has Emmanuel and Stevie and Tom Jones has Sasha.

For the first time the  winner's version of 'Lost Stars' will be available to download at midnight via Universal Music following the show which kicks off at 7pm on BBC 1.

The winner will also sign with Universal Music and proceeds from the single will go to the BBC's Performing Arts Fund.