Jessica Chastain was radiant in red at the New York premiere of "A Most Violent Year" on Sunday. The actress looked stunning in a custom-made Giorgio Armani wrap gown, which she styled with strappy sandals, understated jewels and loose waves.
Emily Blunt was enchanting at the "Into The Woods" premiere in New York City on Monday, donning a sheer Dolce & Gabbana gown with floral embroidery. She complemented the look with dazzling Lorraine Schwartz jewels, Christian Louboutin pumps and a bold lip.
And, Sasha Pieterse wowed on the carpet for the "Inherent Vice" premiere in Los Angeles on Wednesday. The "Pretty Little Liars" star looked sexy and sophisticated in a black velvet Paper London gown. She styled her hair in an up do and accessorized with sandals and dangling earrings.
Who had your favorite look of the week? Tell toofab in the comments section below, and click "Launch Gallery" above to see more of this week's best dressed stars!