I’m really truly authentic Sarah now."
“Diana would be very proud of her grandchildren,” she shared.
“I think we’d have a granny-off.

Because she would run faster in the races …
I wonder … she’d probably be funnier.
No, I think I’d be funnier.”

Yet, Fergie looks on the bright side when discussing the current state of things for her nephews.
“[Diana’s] boys are really special boys,” she explained.
“What I’m thrilled about is seeing Harry so happy.
And he’s got a beautiful wife and beautiful children.”
Honestly, he’s so happy with her.
She really loves him.
And I think that’s beautiful and that Diana would be proud of him and her lovely grandchildren."
Based on how well Fergie knew Diana, it seems that’s a very good guess.