Watch out Ashton KutcherDemi Moore is getting ready to air all your dirty laundry!

In Touch has exclusively learned that the mom-of-three, 54, has a tell-all in the works — and she doesn’t plan to hold back! Her decision to spill comes after he opened up about their failed marriage while accepting an award for good character; he said, “I’m also probably the first person to get this award for character who had, like, his name splashed across every gossip magazine as an adulterer like five years ago.”

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Needless to say, Demi didn’t appreciate him bringing up old drama that has long been in the past — so now she’s preparing to get even!

“She can’t believe he has the nerve to bring up their marriage,” an insider tells In Touch. “Demi wasn’t happy. She thinks it’s time she set the record straight about everything in a juicy tell-all.”

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This isn’t the first time publishers have come after the Ghost actress because a memoir could translate into big bucks — but she previously declined, and opted to take the high road for the sake of her daughters. But after the most recent snub, she not only has her daughters’ blessings — but also feels the timing is right.

“Ashton’s comments were pretty much the push she needed,” the insider tells In Touch. “She’s ready to let the world know what being married to Ashton is really like.”