Holly Willoughby giggled nervously during Wednesday's episode of This Morning as comedian Jack Whitehall made a cheeky reference to the ITV sweetheart's sex life.
This Morning star Holly, 38, and Phillip Schofield , 57, chatted to the comedian and his dad Michael about their new tour for Christmas.
The father-and-son duo hilariously revealed a couple were caught getting frisky in their theatre seats and in their toilets during Jack's recent performance at the London Palladium.
The legendary funnyman, 31, then went on to embarrass the The Morning host by jokingly suggesting the mystery frisky couple was Holly and her hubby Dan Baldwin, 44.
He explained: "There was a ruckus up in the gods, and I thought it was a fight so I just ignored it and carried on with the show
"The security came up to me and said you'll never guess what that was."
Jack then revealed: "There was a couple making out, like... full-on making out and things you can't say on daytime television but you can fill in the blanks... Twice!"
He then subtly suggested a cheeky accusation that the frisky couple could have been Holly and her husband Dan, who visited Jack's London show.
He hilariously hinted: "We have a guest list of family and friends, so we were worried about who it was...In fact, I think you and Dan went, Holly?"
Phillip joked: "I was going to say you left the show early the other day!"
Holly got very red-faced as she shut down the claims, saying: "It definitely wasn't us...No, not guilty."
Jack first revealed the couple's steamy behaviour after recording his Christmas Special in October.
He took to Twitter to share the hilarious tale, writing: "OH MY GOD. I have just been informed that during the recording of my Christmas show with my father at The London Palladium a couple were kicked out of the theatre for having sex during the show."
The saucy joke about holly's 'adventurous' sex life comes just months after the blonde beauty celebrated her 12th wedding anniversary with husband Dan.
The loved-up couple have three children together, Harry, 10, Belle, eight, and Chester, four.
Last year, Holly admitted her "world would end" if Dan ever left her.
"If my career ended tomorrow, I know I would be absolutely OK," she told Stella Magazine .
"But if things went wrong between me and Dan it would be the end of my world."
*This Morning airs weekdays from 10:30am on ITV.
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