Celebrities Hit the Streets for Women's Marches Around the World

Tamblyn wore a Planned Parenthood hat while Schumer dressed as a NASA astronaut for the march. 

Poehler also marched in Washington and posed for a selfie with Tamblyn and Samantha Ronson. 

Gillian Anderson participated in the Women's March in London.  

The Oscar winner participated in the Women's March in New York City.

Felicity Huffman brought women of multiple generations to the march in Washington. 

Debra Messing wore a pink "pussy hat" on her way to the Women's March on Washington.

The Orange Is the New Black star and her friends brought bilingual signs.

The Supergirl star used her powers for good with a sign only she could carry.

The Frozen star marched in London on Saturday.

Ashley Judd talks to participants at the Women's March on Washington.

Ariana Grande posts a Boomerang on the way to the march. 

Chelsea Handler, Maria Bello, and Charlize Theron at the Women's March on Main Street in Park City, Utah

The Orange Is the New Black star participated in the Park City march, which coincided with the Sundance Film Festival. 

Jane Fonda and Miley Cyrus participated in the Women's March in Los Angeles.

Helen Hunt and the This Is Us actress ran into each other at the Women's March in Los Angeles.

Actress Jenny Slate held up a sign that read "Quit 'Putin' Your Paws On My Pussy" at the Women's March on Main Street in Park City, Utah.

Fran Drescher, Rev. Jesse Jackson and Alicia Keys posed for a photo together at the rally at the Women's March on Washington.