Charade

I think I like her clothes in Charade more than her Breakfast at Tiffany's wardrobe.  And this also might be my favorite of her films.
Possibly because Cary Grant Cary Grant Cary Grant is in it too. Possibly 

Funny Face

And, for good measure:

With bending knees! How could your kid not grow up to be chic if they played with this doll?