Kate Middleton, 40, is said to be feeling "vindicated" after a Vanity Fair article branded Meghan Markle, 43, a 'mean girl' and former staff members claimed she was 'really really awful' to work for

First of all, Vanity Fair spoke to a source who said Prince Harry hasn't—as the outlet put it—"absorbed the gravity of what it would mean to sell millions of copies of a tell-all book about a famously insular and circumspect family in the middle of a years-long public relations crisis."