Natalie Portman  made her second Dior-related appearance of the week at Thursday night's Guggenheim International Gala in NYC. She and Jessica Biel  were both clad in designs by creative director Raf Simons  at the event and partied with famed artists like Christopher Wool, James Turrell, and Jeff Koons. It's been a busy week for both actresses, who have stepped out for multiple high-profile events in the Big Apple. On Wednesday, Natalie popped up at a Cinema Society screening of her film Thor: The Dark World before attending a Dior-hosted afterparty  in one of the brand's stunning pieces.
Jessica also made the museum rounds in Manhattan, walking the red carpet for the Museum of Modern Art's annual Film Benefit  on Tuesday. The soiree was in honor of Tilda Swinton and put on by Chanel  head Karl Lagerfeld . Before her big night out, Jessica traveled to Orlando, FL, for the wedding  of her husband Justin Timberlake's former *NSYNC bandmate Chris Kirkpatrick . The couple posed for group photos with the bride and groom and were all smiles while celebrating the sweet nuptials.
Natalie Portman  attended the Guggenheim International Gala in NYC.
Jessica Biel  hit the red carpet for the Dior-hosted Guggenheim International Gala.
Jessica Biel  posed for photos inside the Guggenheim International Gala.
Natalie Portman  wore a Dior dress to the Guggenheim International Gala in NYC.
Jessica Biel  smiled for photos at the Guggenheim International Gala.
Natalie Portman  walked the red carpet at the Guggenheim International Gala.