Holly Willoughby chipped her tooth after her husband Dan Baldwin cooked her dinner.
The TV presenter shared the news with This Morning viewers during Tuesday's instalment of the daytime show.
Co-host Phillip Schofield said he had been confused by the admission.
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As the show resumed after an ad break, he said: "She just said thirty seconds ago, in fact only ten seconds ago... 'I chipped my tooth on a mussel yesterday'
"And I said 'What? Dan's?'".
Holly replied: "Dan cooked for me, very nicely. It was very nice, it was a little, like a sort of, cod in a broth and there were mussels in it.
"And as I fished them out I went to eat it and there was a tiny little bit of shell in there.
"Luckily, I think it's the back of my tooth."
Phil was quick to make another joke, adding: "I thought for a minute he'd been working out", to which Holly replied: "No".
Twitter users commented on the accident.
Blsbeki said: "The WORST. Did mine on a rock hard protein bar and it still feels horrible"
Carly B said: "Your teeth still look lovely Holly #ThisMorning".
This Morning airs weekdays from 10am on ITV and the ITV Hub
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