Natalie Portman's Red Carpet Evolution: the Truth Behind the Viral Fashion Moments

From key trends to fundamental details, get a complete picture of Natalie Portman's Red Carpet Evolution: the Truth Behind the Viral Fashion Moments in our latest feature.

Portman’s physical presence on red carpets has always mirrored the intense, shifting demands of her dramatic roles. Her Oscar-winning turn in Darren Aronofsky’s Black Swan (2010) required a punishing celebrity fitness routine that reshaped her body entirely. For nearly a year, former New York City Ballet dancer Mary Helen Bowers trained Portman for up to eight hours a day, combining swimming, cross-training, and classical barre work. Portman shed twenty pounds from an already petite frame, subsisting on almonds and raw vegetables to convincingly embody the fragile, obsessive ballerina Nina Sayers.

A decade later, Portman pursued the exact opposite physical path for Thor: Love and Thunder. Portraying the Mighty Thor required significant muscle growth. Working with celebrity trainer Naomi Pendergast for ten straight months, she drank daily plant-based protein shakes and lifted heavy free weights to develop pronounced upper-body musculature. When she appeared on subsequent international press tours, her red carpet fashion evolution took a sharp turn. Instead of cloaking her newly developed shoulders, she wore sculptural, strapless dresses and sharp mini-silhouettes that spotlighted her physical strength.