There’s no better example of a pseudo-fictionalized version of a real person portrayed by the real person in a film version of a book than The Lady Chablis.

Every morning I wake up, I wish I were waking up in Savannah. I have Midnight in the Garden of Good and Evil (specifically the 1:30 opening titles) to thank for that.

Midnight in the Garden of Good and Evil Opening Titles

Source: youtube.com