Children wow The Voice Kids coaches with jaw-dropping Freddie Mercury cover

What a performance!

The Voice Kids viewers and coaches were left speechless after Daria, Gracie and Jarren took to the stage to perform a cover of Freddie Mercury and Montserrat Caballé's 'Barcelona.'

The three contestants – who were competing for a place in the semi-finals - wowed everyone with their flawless rendition of the operatic song.

The powerful song was a brave choice for the children to sing, but it paid off in the most extraordinary way.

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The song was sung by soprano, Daria, soul singer, Jarren and singing sensation, Gracie.

'Barcelona' was released in 1987 and become one of the biggest hits of Freddie's solo career.

The song - which was co-written by Freddie and Mike Moran - highlighted the Queen frontman's love of opera and his incredible range of four octaves.

Accompanied by an orchestra, Freddie and Monserrat performed 'Barcelona' together on October 8, 1988, at La Nit festival in Barcelona to celebrate the arrival of the Olympic flag from Seoul.

The performance, unbeknownst to Freddie and his fans, was his last live performance as a solo artist before his death in 1991.