March 8 marks International Women's Day, and stars all around the world are celebrating the achievements of women and taking a stand for gender equality. Gisele Bündchen kicked things off by sharing an Instagram photo of her and her daughter Vivian, asking for "more love, more compassion, more respect, more equality, more support." Chris Hemsworth paid tribute to his family, including wife Elsa Pataky and their daughter India, while Reese Witherspoon, who is a proud supporter of Time's Up, took things a step further and visited the United Nations to talk with activists and leaders about women's rights. Anyone else feeling inspired yet? Read on to see how other stars and the fashion crew showed their support.