New films about Princesses Diana, Grace Kelly

They had elegance, they had grace and they were adored by millions.

They also each had untimely deaths in auto accidents. Now Princesses Diana Spencer and Grace Kelly also are the subjects of biopics coming out this fall. But will they be crowning achievements for everyone involved?

Here's an early look at the dueling princess pics.

SEE PHOTOSThe 50 biggest box office hits of all time

Mum's the word so far, but Watts has said in interviews that one of her biggest hopes is that Princes William and Harry will be pleased with the film.

--

SEE PHOTOSSee photos of the royal family through the years