Self-apology is what Diane seems to be about.

In Diane Keatons dithers is all the strength of American women.

Oscar, your 78 name is Diane.

Image may contain Diane Keaton Margaretha Krook Photography Accessories Jewelry Necklace Clothing Hat and Lighting

Getty Images

The key to achieving the aesthetic?

In a word: vintage.

Womens hard-won independence is reflected by their search for more personal and less dictatorial styles.

Image may contain Diane Keaton Blouse Clothing Sleeve Face Head Person Photography Portrait Happy Smile and Hat

Someone elses junk was now our perfect treasure.

My mother said, Maybe another time, Diane.

As Keaton turns 79 today,Voguelooks back at her life in style.

Image may contain Diane Keaton Accessories Sunglasses Face Head Person Photography Portrait Happy Smile and Adult

She has at least 40 hats in her collection nowher favorite beinga bowler from Baron.

Voguehailed these particular frames as this seasons Ford in sunglasses shapes… in its November 1977 issue.

Diane Keaton wore them, funnily, inAnnie Hall.

Image may contain Diane Keaton Adult Person and Baby

John Chancellor has had them for years.

Style is shaky territory for me, Keaton told Joan Juliet Buck in aVanity Fairprofile in 1987.

It makes me nervous.

Image may contain Diane Keaton Face Head Person Photography Portrait Blouse Clothing Adult Happy Smile and Car

Maybe Im only style and no content.

Here, shes seen perched at a bar on the set ofLooking for Mr Goodbar.

Image may contain Diane Keaton Kate Beaton Pub Adult Person Clothing Glove Cup Accessories Glasses and Alcohol