Amy Schumer, Madonna and Gloria Steinem – the A-listers posed alongside the feminist icon at the Women’s March in Washington DC. Lauren Conrad – the mama-to-be joined pals to march in Los Angeles. Blake Lively and Amber Tamblyn – the Sisterhood of The Travelling Pants co-stars marched in New York City. Janelle Monae – the Hidden Figures star spoke to the hundreds of thousands in attendance at the Women’s March in Washington DC. Katy Perry – the singer marched at the flagship event in Washington, DC. Alicia Keys – the singer spoke onstage at the Women’s March in Washington DC. Madonna – wearing a black beanie and bright orange pants, the pop singer performed at the Washington DC-based protest. Chloe Grace Moretz and Jessica Chastain – girl power! The actresses posed for a photo opp in Washington DC. Ashley Judd – the actress spoke onstage at the Women’s March in Washington DC. Willow Smith – Will Smith and Jada Pinkett-Smith’s daughter took a stand for equal rights in Los Angeles. Jamie Lee Curtis – the Scream Queens actress spent her Saturday at the Women’s March in LA. Amy Schumer – the comedienne donned an orange NASA space suit for the event in Washington DC. Sophia Bush, Uzo Aduba and America Ferrera – the actresses echoed Meryl Streep’s speech at the 2017 Golden Globes with their handmade sign. Miley Cyrus and Jane Fonda – the two took part in a Women’s March in Los Angeles. Chrissy Teigen – the model and Lip Sync Battle star attended the flagship Women’s March in Washington, DC. Charlize Theron – the actress took 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 in Washington DC. Thandie Newton – the ‘Westworld’ actress took part in a protest in London.