Sarah Hyland & Wells Adams
The actress held her message above her head while marching in Los Angeles.
Erika Christensen
The actress gave a photographer a wave amid a march in Los Angeles.
Paris Jackson
The actress made a statement with her purse while joining a march with a gal pal.
Olivia Munn
The actress shared this image from the Women's March in Los Angeles on her Instagram Stories on Saturday.
Adele, Cameron Diaz and Jennifer Lawrence
The British singer posted a photo of the American actresses along with the caption, "The most influential people in my life have always been women. My family, my friends, my teachers, my colleagues, and my idols. I am obsessed with all the women in my life. I adore them and need them more and more every day. I am so grateful to be a woman, I wouldn't change it for the world. I hope I'm not only defined by my gender though. I hope I'm defined by my input to the world, my ability to love and to have empathy. To raise my son to be a a good man alongside the good man who loves me for everything I am and am not. I want what's best for people, I think we all do. We just can't agree on what that is. Power to the peaceful, power to the people x #womensmarch2018."
Lupita Nyong'o
The Oscar winner posted this photo along with the caption, "#BlackPower + #TimesUp + #WomensMarch = 2018."
Nicole Richie
The 36-year-old speaks onstage at 2018 Women's March Los Angeles at Pershing Square on January 20, 2018 in Los Angeles.
Scarlett Johansson
ScarJo speaks at a Women's March in Los Angeles that takes issue with sexual violence and the policies of the Trump administration.
Jane Fonda
The outspoken actress speaks on stage during the Respect Rally during the Sundance Film Festival on January 20, 2018 in Park City, Utah.
Felicity Huffman, Elizabeth Banks, Eva Longoria, Olivia Munn and Lupita Nyong'o
The activists come out for what they believe at 2018 Women's March Los Angeles at Pershing Square on January 20, 2018.
Lena Waithe
Master of None star and screenwriter attends the Respect Rally in Park City, Utah.
Natalie Portman
The actress shares a selfie.
Ashton Kutcher and Mila Kunis
The two march in L.A.
Whoopi Goldberg
The Oscar winner and The View co-host speaks at the New York march.
Yoko Ono
The singer and actress attends the New York march.
Yvette Nicole Brown
The actress appears at the L.A. march.
Q'orianka Kilcher, Francesca Eastwood and Frances Fisher
The three appear at the L.A. march.
Camryn Manheim and Marcia Gay Harden
The two appear at the L.A. march.
Bill de Blasio
NYC Mayor Bill de Blasio marches in his city.
Alyssa Milano
The actress, who helped spark the #MeToo movement, gave a speech at the Atlanta march.
Asia Argento
The actress, one of many who have accused Harvey Weinstein of sexual assault (which he has denied), marches in Rome.
Tessa Thompson and Common
The actress and rapper join the Respect Rally Park City event.
Chloë Grace Moretz
The actress joins the Respect Rally Park City event.
Patricia Arquette
The actress marched in New York.