Michelle Williams at the ‘My Week With Marilyn’ premiere.

Michelle Williams at the ‘My Week With Marilyn’ premiere.

Eddie Remayne at the ‘My Week With Marilyn’ premiere.

Michelle Williams and Eddies Remayne at the ‘My Week With Marilyn’ premiere.

Gina Gershon at the ‘My Week With Marilyn’ premiere.

Coco Rocha and Zac Posen at the ‘My Week With Marilyn’ premiere.

Elizabeth McGovern and director Simon Curtis at the ‘My Week With Marilyn’ premiere.

Susan Bernard at the ‘My Week With Marilyn’ premiere.

Kiera Chaplin at the ‘My Week With Marilyn’ premiere.

Erin Wasson at the ‘My Week With Marilyn’ premiere.