The Strictly Come Dancing presenter also says she’s “barely slept” since this year’s castle-based series kicked off.
"It’s not often I’m speechless but this has left me, quite frankly, gobsmacked."
Host Claudia Winkleman had to apologise after the singer got carried away following his performance.
Finally some good news in 2020 as Strictly Come Dancing returned to our screens! HuffPost UK's Ash Percival talks you through the highlights of this week and what to expect from the show.
"I'm not watching Match Of The Day," one viewer wrote.
Socially distanced hosts, judges and audience… and a lot of masks.
The presenter regaled The One Show viewers with the story in typical Claudia fashion.
The presenter has been a regular fixture on Strictly Come Dancing since 2010.
Try saying that after a few wines, dallyn!
The presenter described the feeling as being "incredibly useful" for her.