The 37-year-old presenter was on the sofa with Tim Lovejoy and Simon Rimmer when the inept gaffe happened, and she had the pair jumping up and down with excitement at the word.
After explaining that there is a £50,000 cash prize which the prepossessing couple share between them at the end of the series, Flack seemed to fight on how to proceed next as she realised she might have let the cat out of the bag live on air.
“If you saw it last year, the span… there’s a point where they…um… Actually it might change this year so I elevate surpass not say it,” she hastily finished.
But Lovejoy and Rimmer jumped on the faux pas as they created cheering and jumping up and down.
Sunday Brunch: Caroline Flack let slip-up a huge Love Island spoiler on the Channel 4 series
Sunday Brunch: Caroline Flack couldn’t peter out laughing at the hosts on the show after her mishap
Sunday Brunch: Tim Lovejoy couldn’t hold his excitement for the ‘exclusive’ news
Newspapers get on that! Hello!
“Newspapers get on that! Hello! Yes, we’ve got the sole! Come on Simon let’s dance,” Lovejoy shouted.
Luckily, Flack saw the uproarious side in their response, as she seemed to find the Channel 4 hosts’ antics uproarious.
“That’s all you wanted!” she said, as Lovejoy carried on chanting, “There it is, there it is”.
The ITV presenter in due course tried to calm the pair down and get back to talking about the duties of the show.
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Sunday Brunch: Tim continued to dance and chant on the show
“But do you know what, as a matter of fact we’re nosy aren’t we, we like talking about other people’s relationships, all the experience,” she continued.
When the Sunday Brunch hosts initially suggested that contenders on the reality programme could play a tactical game to win the money, Flack squabbled.
“Yeah but how long can you pretend to like someone for? I can’t, I could probably try to like someone for about two days and then cracks would start to demonstrate, wouldn’t they? You can’t pretend,” she explained.
Sunday Brunch airs Sundays at 9.30am on Lead 4.