Britain's Got Talent finalists Tim and Jack Goodacre have revealed their plans for tonight's show.
The auditions this year saw 12-year-old Jack take part in Britain's Got Talent with 43-year-old Dad, Tim.
In their audition, the father and son sang an original song ‘The Lucky One’s together, which got Simon Cowell hitting the gold buzzer for them.
Now through to the live final, they'll be going back to that song.
Tim explained: "We're going to go back and have strings and cellos, we're going to make it big.
"Not too big, not Whitney Houston big, Jack and Tim big."
Back at the auditions when they sang the song, Simon Cowell told the pair: "You are special. That was fantastic. I love that song, it reminded me of me and my boy. Just magic."
Previously appearing at the audition stages, Tim said: "I've always wanted to be a dad from an early age... I've always sang, my dad was a singer, Jack's always been around it."
Jack said: "I've performed on stage before, it was an awesome experience. I've always wanted to do something with my dad like this. We thought Britain's Got Talent would be the thing."
"I'm a little bit scared of Simon Cowell, but at least he has children now so he might feel a bit of sympathy for me."
Meanwhile, discussing their audition on ITV's This Morning recently, Tim said: "It's too much. You can't put it into words. It eclipses everything - singing with my son. The support from the public has just been phenomenal. We can't walk six steps outside without people stopping us. It's been unreal."
And reacting to getting the golden buzzer from Simon Cowell, Jack said: "It was just incredible.
"As soon as he pressed it, it was all a blur. I can't remember anything he [Simon] said."
The acts in the final are acrobats Giang Brothers and comedy singer Micky P Kerr, dancers DVJ, father and son singing duo Tim and Jack, comedian Robert White, singer Gruffydd Wyn Roberts, singer Donchez Dacres, singer Calum Courtney, comedian Lost Voice Guy and the D-Day Darlings in the final.
Joining them will be an eleventh wild card act, as chosen by the judges.
All the acts will be competing for a £250,000 cash prize, a spot on the Royal Variety Performance and a special prize from Simon Cowell.
As well as the finalists' performance, the last live show of the series will also see some guest performances from The Cast Of Magic Mike from Las Vegas and the Cast Of Tina Turner The Musical
Britain's Got Talent 2018 final airs Sunday, June 3 at 7:30PM.