She told The Sun: “They said to me, ‘How would you feel about working on The One Show?’
“And I thought they initially meant somewhere behind the camera. They were like, ‘No, to present!’
“Before they had even finished the sentence I said, ‘Yes, whatever you want! Yes, don’t worry, I will make it work!’ They left the room and I dropped to the floor and screamed at the top of my voice.
“I couldn’t believe it was happening.”
The paper adds that Oti will co-host the programme alongside Alex Jones on Friday 8 March.
If she impresses, it could become a regular gig when Alex leaves to go on maternity leave later this year.