Lanvin for H&M Doppelgängers

Pictured: Natalie Portman on the Red Carpet in Lanvin for H&M
I'm loving this picture of Black Swan star Natalie Portman on the red carpet at the recent IFP's 20th Annual Gotham Independent Film Awards. She's a study in stylish simplicity.  Her dress is a Lanvin for H&M but it looks like Lanvin Couture.  Her jewelry is minimal, but her earrings are from Tiffany's.  Her little clutch is