EXCLUSIVE: Meghan Markle 'Quaking in Her Boots' Over Prospect of Dumped Best Pal Jessica Mulroney Planning Tell-All Book on Getting Ditched by the Diva Duchess

Behind palace doors, Jessica saw it all — and Meghan knows a memoir could be devastating to her image.

Once Meghan Markle’s ride-or-die, Jessica Mulroney now holds the kind of secrets that could blow the Duchess’s carefully crafted image to pieces. Insiders whisper that publishers are circling with seven-figure offers, and Meghan is “horrified” at the thought of her ex–BFF finally breaking her silence.

Could the woman who stood by her side at the royal wedding be the one to shatter her biggest nightmare? Keep reading to see what Jessica could reveal…