She and co-star Chris Hemsworth even joked about her standing on a box while they filmed kissing scenes in Thor.
So we can't help but wonder about her choice of full, Dior maxi skirt at last night's premiere for the movie.
Scroll for a Gallery of Natalie Portman's best hairstyles
It's a beautiful skirt and the simple black top and make-up keep things classy.
But generally it's a safe rule of thumb to say, very short girls should steer clear of very long skirts as they make them look shorter.
Does this still matter or are rules on dressing for your body shape not something you worry about?
Is Natalie Portman too short for her Dior skirt?
Yes, she looks like a munchkinNo, it's beautiful and so is sheIt does make her look tiny but it still looks great
Yes, she looks like a munchkin31.82%
No, it's beautiful and so is she40.91%
It does make her look tiny but it still looks great27.27%