Amy Schumer, Madonna & Gloria Steinem
The A-listers pose alongside the feminist icon at the Women's March on Washington D.C.
Lauren Conrad
The mama-to-be joined pals to march in Los Angeles.
Blake Lively & Amber Tamblyn
The Sisterhood of The Traveling Pants co-stars march in New York City.
Janelle Monae
The Hidden Figures star speaks to the hundreds of thousands in attendance at the Women's March on Washington D.C.
Katy Perry
The singer marches at the flagship event in Washington, D.C.
Alicia Keys
The singer speaks onstage at the Women's March on Washington D.C.
Madonna
Wearing a black beanie and bright orange pants, the pop singer performs at the Washington D.C.-based protest.
Chloe Grace Moretz & Jessica Chastain
Girl power! The actresses pose for a photo opp in Washington D.C.
Ashley Judd
The actress speaks onstage at the Women's March on Washington D.C.
Willow Smith
Will Smith and Jada Pinkett Smith's daughter takes a stand for equal rights in Los Angeles.
Jamie Lee Curtis
The Scream Queens actress spends her Saturday at the Women's March in L.A.
Amy Schumer
The comedienne dons an orange NASA space suit for the event in Washington D.C.
Scarlett Johansson
The actress speaks onstage at the Women's March on Washington.
Sophia Bush, Uzo Aduba & America Ferrera
The actresses echo Meryl Streep's speech at the 2017 Golden Globes with their handmade sign.
Miley Cyrus & Jane Fonda
The two take part in a Women's March in Los Angeles.
Chrissy Teigen
The model and Lip Sync Battle star attends the flagship Women's March on Washington, D.C.
Charlize Theron
The actress takes part in the Women's March in Park City, Utah.
Nick Offerman
"I'm a nasty girl #WomensMarch," he tweeted.
Lauren Jauregui
The Fifth Harmony singer made her voice heard during the Women's March on Washington D.C.
Thandie Newton
The Westworld actress takes part in a protest in London.
Zoe Kravitz
The actress-singer is all smiles while marching in Los Angeles.
Cher & Chaz Bono
The singer shares a mother-son moment with the LGBT activist.
America Ferrera
The Ugle Betty alum speaks onstage at the Women's March on Washington.
Michael Moore
The documentary filmmaker makes a speech at the Washington D.C. flagship event.