London - 'Borderline fruitcake with delusions of grandeur' and 'marginally less loopy than Princess Diana'.
That's one handwriting expert's analysis of the Middleton scrawl following a sneak preview of her Prenup Agreement signature published today.
The slanted aspirational copperplate has been compared to Princess Di's own Prenup signature amid concerns another royal basketcase is in the offing.
"At least Kate doesn't do Diana's cutesy little circles above the letters 'i' and 'j'," graphology ace Dilys Scripp explained on her blogsite today.
"As for Di's umlauts - (diacritics consisting of a pair of dots above a vowel) - she used to insert little points in the centre to make them look like tiny little boobs!"
"The nation should have seen that one coming!"
Computerised databanks also compared Kate's slanted script of bold downstrokes and twirly consonants with millions of cheque and credit card signatures.
The findings may be of interest to the relevant authorities.
The royal website is staying schtum.
Handwriting experts today published an analysis of Kate Middleton's scrawl