John Legend and Pixie Lott will be performing on The Voice UK 2017 final this weekend.
As well as the guest stars, coaches Jennifer Hudson, will.i.am, Gavin Rossdale and Sir Tom Jones will also be performing together.
The four piece will be singing George Michael's Freedom! '90 on Saturday show.
Coaches Jennifer, Will and Sir Tom will also be taking to the stage to duet with their remaining finalists.
Meanwhile, John Legend will be performing his new single plus Pixie Lott and Anton Powers will be performing their new song Baby.
Pixie and Anton will appear on Saturday's show while John Legend will sing on Sunday's episode.
A total of four singers - Mo, Jamie Miller, Michelle John and Into The Ark - have made it through to the first half of the final this Saturday night (April 1) which airs at 8:30PM on ITV straight after Ant and Dec's Saturday Night Takeway.
At the end of that episode, one of the acts will be eliminated leaving three to continue forward to Sunday's show, airing at 7PM on April 2.
It's there that the winner will be decided as results of the public vote are revealed by host Emma Willis.
As well as performing, it's likely that Pixie will be on the show to launch The Voice UK kids
She'll be a judge on the new spin off for youngsters - expected to air later this year - alongside Will.i.am and McFly's Danny Jones.
Pixie said previously: “I can’t wait to join The Voice Kids and help discover the next big star. I have such a passion for talented young people and I know the UK will have lots – I can’t wait to hear them!
“I’m looking forward to getting started and working alongside my fellow coaches will.i.amand Danny Jones.”