THIS Morning hosts Holly Willoughby and Phillip Schofield were forced to apologise after a guest SWORE live on air on Monday.
The presenting pair were joined by actress Miriam Margolyes as she sat down to discuss the hilarious details of her latest book.
Holly, 41, and Phillip, 60, were joined live on Monday's edition of the ITV show by Miriam, 81, as they chatted about This Much Is True.
The actress discussed how she struggled to see eye to eye with her fellow students when studying at the University of Cambridge.
As she spoke about experiencing misogyny during her time there, Miriam joked it was hard not to use swear words during her story.
The Harry Potter star said: "I have to watch myself," to which Holly jibed back that she was doing "really well" not to let slip.
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"It's such a shame as we love it when you just let rip," Phillip jibed, perhaps tempting fate as Miriam went on to make a mistake.
"It upsets some people, and I don't want to upset people," she said, before accidentally swearing: "The whole thing is s**t."
Realising what she said, Miriam tried to cover her tracks as Holly and Phillip looked shocked: "Oh, I am sorry! I've let myself down!"
The co-hosts were quick to make their apologies to viewers at home for the use of the word as they tried their best not to laugh.
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"Amazingly, you did it while you were apologising," Phillip continued, as Miriam explained she didn't mean to offend any viewers.
Dozens flocked to social media to laugh over the accidental blunder, as they brushed it off and called her "brilliant".
"Miriam Margolyes is a national treasure, that is all," one wrote, as a second chimed in: "In stitches at Miriam Margolyes on This Morning."
"Life is s**t at the moment... Miriam Margolyes is just bloody BRILLIANT," a third person chimed in.
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It comes after Holly explained why she was hosting the show on Monday with a "hoarse voice" after her busy weekend.
She said: "I was down at my parent's house because it was my dad's 70th birthday party this weekend. That is why I sound a little hoarse because I've been dancing and shouting and singing."