The superstar was joined by Team Christina Aguilera artists Jesse Campbell, Lindsey Pavao, Ashley De La Rosa and Chris Mann for the performance, which came during the second week of the live rounds.
We hope Christina or one of her fellow panellists – Adam Levine, Cee Lo Green and Blake Shelton – will come to Blighty and return the favour!
Watch a clip of Jessie’s appearance below…
Britain's Got Talent 2013: JLo, Demi Lovato, Olly Murs, Pudsey for live shows
The X Factor 2013: Tulisa confirms she won't be returning
Dancing On Ice axe: Torvill & Dean want to go out on a high
X Factor 2013 will be a 'different show', claims Louis Walsh
Britain's Got Talent 2013: Aliki Chrysochou says her illness made her ambitious
Dancing On Ice gets the axe from ITV 
The Voice 2013: Jessie J clashes big time with Will.i.am
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Britain's Got Talent Britain's Got Talent 2013: JLo, Demi Lovato, Olly Murs and Ashleigh and Pudsey for live shows
The X Factor The X Factor 2013: Tulisa confirms she won't be returning to the judging panel
The Voice The Voice 2013: Jessie J clashes big time with Will.i.am
The Apprentice The Apprentice 2013: Myles Mordaunt's thong gets viewers talking!
Big Brother Big Brother 2013 airs new #WhatsTheSecret teaser ad with two doors! (VIDEO)
Reality TV Dancing On Ice axe: Torvill & Dean want to go out on a high
