For those who've ever watched Miriam Margolyes on TV, particularly on the UK's This Morning programme, you'll know it's often pure chaos.
While the Harry Potter star is often told off for using explicit language, you can guarantee that she'll always speak her mind.
So when it was announced Margolyes was doing a memoir, you just knew it was going to be full of interesting stories and wild tales.
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Now 82, Margolyes has featured in endless films during her career, from Harry Potter to the classic that is Babe.
As a result, she's worked and come across a lot of people over the years, some she has obviously liked more than others.
In Oh Miriam! Stories from an Extraordinary Life, Margolyes spoke about her relationship with Steve Martin.
In the 1986 Frank Oz film Little Shop of Horrors, Martin played dentist Orin Scrivello, while Margolyes starred as his character's assistant.
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And while they may have been working closely together on-screen, Margolyes describes the actor as 'horrid' while they were together on set.
The pair shared a musical number together known as 'Dentist', in which Martin's character slams the door in Margolyes' character's face.
While that may have been acting, Margolyes, who is best known for playing Professor Sprout in Harry Potter, suggested he did it for real.
In her book, she said: "During my only musical number (‘Dentist!’) I was hit all day by doors opening in my face; repeatedly punched, slapped, and knocked down by an unlovely and unapologetic Steve Martin.
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"Perhaps he was method acting – and [I] came home grumpy with a splitting headache.
"Let it not be said that I have never suffered in the name of art."
She concluded by saying that while Martin is 'undeniably brilliant', he was 'horrid to me'.
UNILAD has reached out to Steve Martin's representatives for comment.
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Martin is not the only celeb to be called out by Margolyes recently, as she recently labelled John Cleese as 'poisonous'.
After he was criticized, the 83-year-old responded: "I suspect I should apologise for my affection for the Englishness of my upbringing, but in some ways, I found it calmer, more polite, more humorous, less tabloid and less money-oriented than the one that is replacing it."
Topics: Film and TV, Celebrity