Sienna Miller and Emily Blunt at an event for American Woman (2018)

Christina Hendricks and Sienna Miller at an event for American Woman (2018)

Christina Hendricks in American Woman (2018)

Amy Madigan, Christina Hendricks, Will Sasso, and Sienna Miller in American Woman (2018)

Sienna Miller and Rene Cadet in American Woman (2018)

Aaron Paul and Sienna Miller in American Woman (2018)

Christina Hendricks and Sienna Miller in American Woman (2018)

Sienna Miller and Sky Ferreira in American Woman (2018)

Rachel Singer and Sienna Miller in American Woman

Christina Hendricks, Aaron Paul, and Sienna Miller in American Woman (2018)