The artists will also be joined by the likes of Rizzle Kicks, Jamie Cullum and Tinie Tempah for the gig in London this September.
Jessie J Thanks Fans After The Voice UK Launch: "I've Been So Nervous!"
The 'Price Tag' singer says she appreciates the support of her fans after starring on the new reality show last night.
The 'Domino' star joined Sir Tom Jones, The Script's Danny O'Donoghue and Black Eyed Peas star will.i.am as the panel for BBC One's brand new talent search show which launched last night (24th March).
"Sitting with my family. Best way to watch @BBCTheVoiceUK at 7pm on BBC1 :D #herewego," Jessie tweeted before the show kicked off. "Letttssss Gooooooooooo."
'Who You Are' singer Jessie later thanked fans for their support and admitted she had been nervous about people's reactions.
"My twitter is going crazy," Jessie posted. "I am so HAPPY you are all enjoying @BBCTheVoiceUK and your tweets are laaaaavely. I have been so nervous about you all seeing it!!!"
She later tweeted will.i.am: "Oh @iamwill the banter. I love me some Will.i.am."
The Voice UK is due to continue next Saturday (31st March).
Latest Jessie J
The 'Price Tag' says a busy schedule could stop her from making a third appearance on the music reality show.
The 'Who You Are' singer loves looking back on days go by, so join Capital as we take a look at Jessie back before she hit the big time as one of the UK's hottest artists!
The 'Domino' star debuts the first promo taken from her upcoming second studio album.