By the Hammer of Thor! Natalie Portman's Best Promo Looks

Natalie Portman tamed her voluminous metallic maxi skirt with a black top, both by Christian Dior, at the London premiere. She finished with black Charlotte Olympia heels. 

For her daytime promotional duties in London, Natalie Portman donned a green knit dress with nude Charlotte Olympia heels.

Natalie kept things chic and simple in a breezy black and white dress by Dior — with shoes to match — when she arrived to the Late Show with David Letterman in New York. She finished the look with jewelry by Harry Winston. 

Natalie debuted a shimmering strapless top by Dior, which she styled with black pants and a pair of sleek heels, for a screening hosted by The Cinema Society and Dior Beauty in New York City. She complimented her look with diamonds from Harry Winston.

For the Paris premiere of Thor: The Dark World, Natalie Portman was feminine with a side of flirty in a floral-embellished fit-and-flare Dior Couture dress and gold, strappy Charlotte Olympia sandals.

Opting once again for Dior, Natalie selected a Haute Couture white organza evening dress and the label's diamond and white gold fine jewelry for the Berlin Thor: The Dark World red carpet.