Pentatonix perform spine-chilling a cappella cover of the Beach Boy's 'God Only Knows'

It's one of our favourite performances from the three-time Grammy Award-winning group Pentatonix ... and what better time to share their achingly beautiful a cappella cover of the Beach Boy's popular song 'God Only Knows' than the festive season.

Putting their signature spin on the Love Actually hit, the quintet can be seen at a busy airport during the holidays in the accompanying video.

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And fans are thrilled with their rendition of the 1966 song, praising the group for their flawless efforts.