A fan leaves Michael Bublé speechless after a fan performs an incredible cover of Etta James' 'At Last'

One lucky 21-year-old has just had all her dreams come true; as she got to sing for the one and only Michael Bublé!

Erin Bellucci, from Connecticut, was asked to perform at Bublé's Madison Square Garden show after the 'Haven't Met You Yet' singer told the audience he wanted to give a fan the chance to shine with his or her favourite shower song.

Performing the Etta James classic 'At Last,' Bellucci blew Bublé and the crowd away with her soulful rendition of the song.

"That was so beautiful," Bublé told her after she handed back in the microphone.

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"That may not be your last time here. That was incredible — too incredible if you ask me."

Last week the 43-year-old singer also invited Nicole Zahn to sing 'Hallelujah' one-on-one with him for an unforgettable duet during his concert in Buffalo.

Bublé is currently on his Don’t Believe The Rumors tour, which is his first time on the road since announcing his five-year-old son Noah had been diagnosed with cancer in 2016.