Tom Jones left in awe after jaw-dropping Celine Dion duet on The Voice UK

It takes a lot to leave Sir Tom Jones in awe, but these two contestants from The Voice UK certainly did!

Joe Topping and Alex Harry were fighting it out to be the final members of judge Olly Murs' team and they certainly left no stone unturned. 

Belting out Celine Dion's 1994 hit 'Think Twice', the pair left all four judges stunned, and even got a standing ovation from music legend Tom Jones.

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The pair gave a stripped back version of the power ballad and impressed the judges with their incredible melodies and duetting abilities as they performed the song that has topped the charts in many countries around the world. 

While it was a tough scenario for coach Murs, he eventually chose Joe Topping to go through to the next round of the show and sent home a devastated Alex Harry.

Watch the video above to see whether it was worth the ovation.