Ariana Grande is the gift that keeps on giving.
Ariana Grande made three young boys' dreams come true.
The TNT Boys rose to fame on the CBS competition show The World's Best.
James Corden invited them onto his show to perform but they didn't expect Ariana Grande to join them half way through.
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14-year-old Keifer, 13-year-old Mackie and 12-year-old Francis put on an incredible performance.
Corden even brands them his 'favourite new boy band on the planet Earth.'
They go on to talk about their love for Grande.
Watch the full video below:
James also takes Ariana aside to discuss her latest milestone.
She's the first artist since The Beatles to have songs in the top three spots of the 'Billboard Hot 100 charts'.
We're not sure it's fully clicked with her yet.
'I think it's so funny... I thought it was hilarious.'
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'When I woke up, I thought it was like an edit that my fans made...'
Watch the full interview below:
Cover photo: Twitter latelateshow