Jessie J joined soul queen Mary J Blige on stage tonight to perform a rendition of Do You Hear What I Hear.
The track, performed on the UK’s version of hit TV show The X Factor, saw Jessie and Mary J put their efforts across the Bing Crosby / Harry Simeone Chorale Christmas classic, and is taken from Blige’s latest studio album A Mary Christmas.
Watch the full performance below: